239136256 has 20 divisors (see below), whose sum is σ = 477806472. Its totient is φ = 119567872.

The previous prime is 239136251. The next prime is 239136257. The reversal of 239136256 is 652631932.

It is a super-2 number, since 2×239136256² = 114372297867395072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239136251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233020 + ... + 234043.

Almost surely, 2^239136256 is an apocalyptic number.

It is an amenable number.

239136256 is a deficient number, since it is larger than the sum of its proper divisors (238670216).

239136256 is an frugal number, since it uses more digits than its factorization.

239136256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467081 (or 467065 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 239136256 is about 15464.0310398033. The cubic root of 239136256 is about 620.7000902029.

The spelling of 239136256 in words is "two hundred thirty-nine million, one hundred thirty-six thousand, two hundred fifty-six".