233097138 has 12 divisors (see below), whose sum is σ = 505043838. Its totient is φ = 77699040.

The previous prime is 233097133. The next prime is 233097167. The reversal of 233097138 is 831790332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 174160809 + 58936329 = 13197^2 + 7677^2 .

It is not an unprimeable number, because it can be changed into a prime (233097131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6474903 + ... + 6474938.

Almost surely, 2^233097138 is an apocalyptic number.

233097138 is an abundant number, since it is smaller than the sum of its proper divisors (271946700).

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

233097138 is a wasteful number, since it uses less digits than its factorization.

233097138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12949849 (or 12949846 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 233097138 is about 15267.5190518958. The cubic root of 233097138 is about 615.4304501862.

The spelling of 233097138 in words is "two hundred thirty-three million, ninety-seven thousand, one hundred thirty-eight".