1013640113 has 16 divisors (see below), whose sum is σ = 1094861376. Its totient is φ = 934986240.

The previous prime is 1013640109. The next prime is 1013640127. The reversal of 1013640113 is 3110463101.

It is a cyclic number.

It is not a de Polignac number, because 1013640113 - 2² = 1013640109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013640713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199778 + ... + 204788.

It is an arithmetic number, because the mean of its divisors is an integer number (68428836).

Almost surely, 2^1013640113 is an apocalyptic number.

It is an amenable number.

1013640113 is a deficient number, since it is larger than the sum of its proper divisors (81221263).

1013640113 is a wasteful number, since it uses less digits than its factorization.

1013640113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1013640113 is about 31837.7152603638. The cubic root of 1013640113 is about 1004.5261870557.

The spelling of 1013640113 in words is "one billion, thirteen million, six hundred forty thousand, one hundred thirteen".