239132828285 has 8 divisors (see below), whose sum is σ = 309033193560. Its totient is φ = 176590396224.

The previous prime is 239132828243. The next prime is 239132828323. The reversal of 239132828285 is 582828231932.

It can be written as a sum of positive squares in 4 ways, for example, as 24542116 + 239108286169 = 4954^2 + 488987^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239132828285 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839483230 + ... + 1839483359.

It is an arithmetic number, because the mean of its divisors is an integer number (38629149195).

Almost surely, 2^239132828285 is an apocalyptic number.

It is an amenable number.

239132828285 is a deficient number, since it is larger than the sum of its proper divisors (69900365275).

239132828285 is a wasteful number, since it uses less digits than its factorization.

239132828285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678966607.

The product of its digits is 3317760, while the sum is 53.

The spelling of 239132828285 in words is "two hundred thirty-nine billion, one hundred thirty-two million, eight hundred twenty-eight thousand, two hundred eighty-five".