232638136 has 16 divisors (see below), whose sum is σ = 450267840. Its totient is φ = 112566720.

The previous prime is 232638113. The next prime is 232638139. The reversal of 232638136 is 631836232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232638139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468781 + ... + 469276.

It is an arithmetic number, because the mean of its divisors is an integer number (28141740).

Almost surely, 2^232638136 is an apocalyptic number.

It is an amenable number.

232638136 is a deficient number, since it is larger than the sum of its proper divisors (217629704).

232638136 is a wasteful number, since it uses less digits than its factorization.

232638136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938094 (or 938090 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 232638136 is about 15252.4796672541. The cubic root of 232638136 is about 615.0262275373.

The spelling of 232638136 in words is "two hundred thirty-two million, six hundred thirty-eight thousand, one hundred thirty-six".