157182939 has 12 divisors (see below), whose sum is σ = 227252376. Its totient is φ = 104691552.

The previous prime is 157182937. The next prime is 157182979. The reversal of 157182939 is 939281751.

It is not a de Polignac number, because 157182939 - 2¹ = 157182937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157182894 and 157182903.

It is not an unprimeable number, because it can be changed into a prime (157182937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2959 + ... + 17975.

It is an arithmetic number, because the mean of its divisors is an integer number (18937698).

Almost surely, 2^157182939 is an apocalyptic number.

157182939 is a deficient number, since it is larger than the sum of its proper divisors (70069437).

157182939 is a wasteful number, since it uses less digits than its factorization.

157182939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186 (or 16183 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 157182939 is about 12537.2620216696. The cubic root of 157182939 is about 539.6785226451.

The spelling of 157182939 in words is "one hundred fifty-seven million, one hundred eighty-two thousand, nine hundred thirty-nine".