1340145001 has 8 divisors (see below), whose sum is σ = 1459450440. Its totient is φ = 1223156352.

The previous prime is 1340144999. The next prime is 1340145007. The reversal of 1340145001 is 1005410431.

It can be written as a sum of positive squares in 4 ways, for example, as 26010000 + 1314135001 = 5100^2 + 36251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340145001 - 2¹ = 1340144999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340145001.

It is not an unprimeable number, because it can be changed into a prime (1340145007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577990 + ... + 580303.

It is an arithmetic number, because the mean of its divisors is an integer number (182431305).

Almost surely, 2^1340145001 is an apocalyptic number.

It is an amenable number.

1340145001 is a deficient number, since it is larger than the sum of its proper divisors (119305439).

1340145001 is a wasteful number, since it uses less digits than its factorization.

1340145001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158395.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1340145001 is about 36607.9909446012. The cubic root of 1340145001 is about 1102.5135361347.

Adding to 1340145001 its reverse (1005410431), we get a palindrome (2345555432).

The spelling of 1340145001 in words is "one billion, three hundred forty million, one hundred forty-five thousand, one".