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1340316041 = 1817405061
BaseRepresentation
bin100111111100011…
…1001100110001001
310110102001002221212
41033320321212021
510221110103131
6340555342505
745133332641
oct11770714611
93412032855
101340316041
11628634309
12314a51a35
131848b261c
14ca017521
157ca05a2b
hex4fe39989

1340316041 has 4 divisors (see below), whose sum is σ = 1347721284. Its totient is φ = 1332910800.

The previous prime is 1340315987. The next prime is 1340316049. The reversal of 1340316041 is 1406130431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1406130431 = 6269224299.

It can be written as a sum of positive squares in 2 ways, for example, as 686440000 + 653876041 = 26200^2 + 25571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340316041 - 214 = 1340299657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340315998 and 1340316016.

It is not an unprimeable number, because it can be changed into a prime (1340316049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702350 + ... + 3702711.

It is an arithmetic number, because the mean of its divisors is an integer number (336930321).

Almost surely, 21340316041 is an apocalyptic number.

It is an amenable number.

1340316041 is a deficient number, since it is larger than the sum of its proper divisors (7405243).

1340316041 is an equidigital number, since it uses as much as digits as its factorization.

1340316041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7405242.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1340316041 is about 36610.3269720444. The cubic root of 1340316041 is about 1102.5604379981.

Adding to 1340316041 its reverse (1406130431), we get a palindrome (2746446472).

The spelling of 1340316041 in words is "one billion, three hundred forty million, three hundred sixteen thousand, forty-one".

Divisors: 1 181 7405061 1340316041