239528136966 has 8 divisors (see below), whose sum is σ = 479056273944. Its totient is φ = 79842712320.

The previous prime is 239528136923. The next prime is 239528136971. The reversal of 239528136966 is 669631825932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

239528136966 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19960678075 + ... + 19960678086.

It is an arithmetic number, because the mean of its divisors is an integer number (59882034243).

Almost surely, 2^239528136966 is an apocalyptic number.

239528136966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

239528136966 is a wasteful number, since it uses less digits than its factorization.

239528136966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39921356166.

The product of its digits is 25194240, while the sum is 60.

The spelling of 239528136966 in words is "two hundred thirty-nine billion, five hundred twenty-eight million, one hundred thirty-six thousand, nine hundred sixty-six".