86012990139 has 32 divisors (see below), whose sum is σ = 121139182080. Its totient is φ = 54135724032.

The previous prime is 86012990053. The next prime is 86012990179. The reversal of 86012990139 is 93109921068.

It is not a de Polignac number, because 86012990139 - 2¹¹ = 86012988091 is a prime.

It is a super-2 number, since 2×86012990139² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86012990179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22263922 + ... + 22267784.

It is an arithmetic number, because the mean of its divisors is an integer number (3785599440).

Almost surely, 2^86012990139 is an apocalyptic number.

86012990139 is a deficient number, since it is larger than the sum of its proper divisors (35126191941).

86012990139 is a wasteful number, since it uses less digits than its factorization.

86012990139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 86012990139 in words is "eighty-six billion, twelve million, nine hundred ninety thousand, one hundred thirty-nine".