157135236 has 12 divisors (see below), whose sum is σ = 366648912. Its totient is φ = 52378408.

The previous prime is 157135219. The next prime is 157135291. The reversal of 157135236 is 632531751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157135197 and 157135206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547290 + ... + 6547313.

It is an arithmetic number, because the mean of its divisors is an integer number (30554076).

Almost surely, 2^157135236 is an apocalyptic number.

It is an amenable number.

157135236 is an abundant number, since it is smaller than the sum of its proper divisors (209513676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157135236 is a wasteful number, since it uses less digits than its factorization.

157135236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094610 (or 13094608 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 157135236 is about 12535.3594284328. The cubic root of 157135236 is about 539.6239219581.

Adding to 157135236 its reverse (632531751), we get a palindrome (789666987).

The spelling of 157135236 in words is "one hundred fifty-seven million, one hundred thirty-five thousand, two hundred thirty-six".