132157128 has 32 divisors (see below), whose sum is σ = 335050560. Its totient is φ = 43431360.

The previous prime is 132157121. The next prime is 132157139. The reversal of 132157128 is 821751231.

It is a junction number, because it is equal to n+sod(n) for n = 132157095 and 132157104.

It is not an unprimeable number, because it can be changed into a prime (132157121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37075 + ... + 40482.

It is an arithmetic number, because the mean of its divisors is an integer number (10470330).

Almost surely, 2^132157128 is an apocalyptic number.

It is an amenable number.

132157128 is an abundant number, since it is smaller than the sum of its proper divisors (202893432).

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

132157128 is a wasteful number, since it uses less digits than its factorization.

132157128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77637 (or 77633 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 132157128 is about 11495.9613778057. The cubic root of 132157128 is about 509.3662870930.

The spelling of 132157128 in words is "one hundred thirty-two million, one hundred fifty-seven thousand, one hundred twenty-eight".