239136768 has 156 divisors (see below), whose sum is σ = 745381000. Its totient is φ = 73433088.

The previous prime is 239136749. The next prime is 239136787. The reversal of 239136768 is 867631932.

It is an interprime number because it is at equal distance from previous prime (239136749) and next prime (239136787).

It is a tau number, because it is divible by the number of its divisors (156).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478983 + ... + 479481.

Almost surely, 2^239136768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239136768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372690500).

239136768 is an abundant number, since it is smaller than the sum of its proper divisors (506244232).

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

239136768 is a wasteful number, since it uses less digits than its factorization.

239136768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 517 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 239136768 is about 15464.0475943396. The cubic root of 239136768 is about 620.7005331836.

The spelling of 239136768 in words is "two hundred thirty-nine million, one hundred thirty-six thousand, seven hundred sixty-eight".