1013937157 has 4 divisors (see below), whose sum is σ = 1035510336. Its totient is φ = 992363980.

The previous prime is 1013937151. The next prime is 1013937161. The reversal of 1013937157 is 7517393101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7517393101 = 58427 ⋅128663.

It is a cyclic number.

It is not a de Polignac number, because 1013937157 - 2³ = 1013937149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013937151) 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, 10786519 + ... + 10786612.

It is an arithmetic number, because the mean of its divisors is an integer number (258877584).

Almost surely, 2^1013937157 is an apocalyptic number.

It is an amenable number.

1013937157 is a deficient number, since it is larger than the sum of its proper divisors (21573179).

1013937157 is an equidigital number, since it uses as much as digits as its factorization.

1013937157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573178.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 1013937157 is about 31842.3798890724. The cubic root of 1013937157 is about 1004.6243018699.

The spelling of 1013937157 in words is "one billion, thirteen million, nine hundred thirty-seven thousand, one hundred fifty-seven".