86369139 has 16 divisors (see below), whose sum is σ = 128512800. Its totient is φ = 57328128.

The previous prime is 86369123. The next prime is 86369141. The reversal of 86369139 is 93196368.

86369139 is a `hidden beast` number, since 8 + 636 + 9 + 1 + 3 + 9 = 666.

It is not a de Polignac number, because 86369139 - 2⁴ = 86369123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86369094 and 86369103.

It is not an unprimeable number, because it can be changed into a prime (86369119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (8032050).

Almost surely, 2^86369139 is an apocalyptic number.

86369139 is a deficient number, since it is larger than the sum of its proper divisors (42143661).

86369139 is a wasteful number, since it uses less digits than its factorization.

86369139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971 (or 13965 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 86369139 is about 9293.4998251466. The cubic root of 86369139 is about 442.0311379686.

The spelling of 86369139 in words is "eighty-six million, three hundred sixty-nine thousand, one hundred thirty-nine".