232535138 has 12 divisors (see below), whose sum is σ = 383395110. Its totient is φ = 105697680.

The previous prime is 232535117. The next prime is 232535143. The reversal of 232535138 is 831535232.

232535138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 224790049 + 7745089 = 14993^2 + 2783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480203 + ... + 480686.

Almost surely, 2^232535138 is an apocalyptic number.

232535138 is a deficient number, since it is larger than the sum of its proper divisors (150859972).

232535138 is a wasteful number, since it uses less digits than its factorization.

232535138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960913 (or 960902 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 232535138 is about 15249.1028588570. The cubic root of 232535138 is about 614.9354487518.

The spelling of 232535138 in words is "two hundred thirty-two million, five hundred thirty-five thousand, one hundred thirty-eight".