1340101517 has 4 divisors (see below), whose sum is σ = 1418931036. Its totient is φ = 1261272000.

The previous prime is 1340101507. The next prime is 1340101561. The reversal of 1340101517 is 7151010431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1179166921 + 160934596 = 34339^2 + 12686^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340101517 - 2⁴ = 1340101501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340101492 and 1340101501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340101507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39414734 + ... + 39414767.

It is an arithmetic number, because the mean of its divisors is an integer number (354732759).

Almost surely, 2^1340101517 is an apocalyptic number.

1340101517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1340101517 is a deficient number, since it is larger than the sum of its proper divisors (78829519).

1340101517 is an equidigital number, since it uses as much as digits as its factorization.

1340101517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78829518.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1340101517 is about 36607.3970257378. The cubic root of 1340101517 is about 1102.5016115004.

Adding to 1340101517 its reverse (7151010431), we get a palindrome (8491111948).

The spelling of 1340101517 in words is "one billion, three hundred forty million, one hundred one thousand, five hundred seventeen".