157913236 has 24 divisors (see below), whose sum is σ = 307870920. Its totient is φ = 70369152.

The previous prime is 157913219. The next prime is 157913257. The reversal of 157913236 is 632319751.

It can be written as a sum of positive squares in 4 ways, for example, as 260100 + 157653136 = 510^2 + 12556^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157913195 and 157913204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50851 + ... + 53866.

It is an arithmetic number, because the mean of its divisors is an integer number (12827955).

Almost surely, 2^157913236 is an apocalyptic number.

It is an amenable number.

157913236 is a deficient number, since it is larger than the sum of its proper divisors (149957684).

157913236 is a wasteful number, since it uses less digits than its factorization.

157913236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104763 (or 104761 counting only the distinct ones).

The product of its digits is 34020, while the sum is 37.

The square root of 157913236 is about 12566.3533294270. The cubic root of 157913236 is about 540.5130423648.

The spelling of 157913236 in words is "one hundred fifty-seven million, nine hundred thirteen thousand, two hundred thirty-six".