157013613 has 32 divisors (see below), whose sum is σ = 239345280. Its totient is φ = 101687040.

The previous prime is 157013611. The next prime is 157013639. The reversal of 157013613 is 316310751.

It is not a de Polignac number, because 157013613 - 2¹ = 157013611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157013611) 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 31 ways as a sum of consecutive naturals, for example, 161218 + ... + 162188.

It is an arithmetic number, because the mean of its divisors is an integer number (7479540).

Almost surely, 2^157013613 is an apocalyptic number.

It is an amenable number.

157013613 is a deficient number, since it is larger than the sum of its proper divisors (82331667).

157013613 is a wasteful number, since it uses less digits than its factorization.

157013613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 157013613 is about 12530.5072922049. The cubic root of 157013613 is about 539.4846626764.

The spelling of 157013613 in words is "one hundred fifty-seven million, thirteen thousand, six hundred thirteen".