232818138 has 40 divisors (see below), whose sum is σ = 596214432. Its totient is φ = 66519144.

The previous prime is 232818137. The next prime is 232818149. The reversal of 232818138 is 831818232.

232818138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (232818137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101520 + ... + 103787.

Almost surely, 2^232818138 is an apocalyptic number.

232818138 is an abundant number, since it is smaller than the sum of its proper divisors (363396294).

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

232818138 is a wasteful number, since it uses less digits than its factorization.

232818138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205328 (or 205319 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 232818138 is about 15258.3792717313. The cubic root of 232818138 is about 615.1848106090.

The spelling of 232818138 in words is "two hundred thirty-two million, eight hundred eighteen thousand, one hundred thirty-eight".