239550135066 has 24 divisors (see below), whose sum is σ = 566209410624. Its totient is φ = 72590949960.

The previous prime is 239550135053. The next prime is 239550135091. The reversal of 239550135066 is 660531055932.

239550135066 is a `hidden beast` number, since 2 + 3 + 9 + 550 + 1 + 35 + 0 + 66 = 666.

It is a Curzon 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, 604924386 + ... + 604924781.

It is an arithmetic number, because the mean of its divisors is an integer number (23592058776).

Almost surely, 2^239550135066 is an apocalyptic number.

239550135066 is an abundant number, since it is smaller than the sum of its proper divisors (326659275558).

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

239550135066 is a wasteful number, since it uses less digits than its factorization.

239550135066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209849186 (or 1209849183 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 239550135066 in words is "two hundred thirty-nine billion, five hundred fifty million, one hundred thirty-five thousand, sixty-six".