356136138 has 12 divisors (see below), whose sum is σ = 771628338. Its totient is φ = 118712040.

The previous prime is 356136107. The next prime is 356136161. The reversal of 356136138 is 831631653.

It is a happy number.

356136138 is a `hidden beast` number, since 3 + 5 + 613 + 6 + 1 + 38 = 666.

356136138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 217061289 + 139074849 = 14733^2 + 11793^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9892653 + ... + 9892688.

Almost surely, 2^356136138 is an apocalyptic number.

356136138 is an abundant number, since it is smaller than the sum of its proper divisors (415492200).

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

356136138 is a wasteful number, since it uses less digits than its factorization.

356136138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19785349 (or 19785346 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 356136138 is about 18871.5695690634. The cubic root of 356136138 is about 708.8244369996.

The spelling of 356136138 in words is "three hundred fifty-six million, one hundred thirty-six thousand, one hundred thirty-eight".