86136039 has 24 divisors (see below), whose sum is σ = 139046544. Its totient is φ = 50928000.

The previous prime is 86136031. The next prime is 86136049. The reversal of 86136039 is 93063168.

It is a happy number.

86136039 is a `hidden beast` number, since 8 + 613 + 6 + 0 + 39 = 666.

It is not a de Polignac number, because 86136039 - 2³ = 86136031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86135994 and 86136012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86136031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6552 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (5793606).

Almost surely, 2^86136039 is an apocalyptic number.

86136039 is a deficient number, since it is larger than the sum of its proper divisors (52910505).

86136039 is a wasteful number, since it uses less digits than its factorization.

86136039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21279 (or 21276 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 86136039 is about 9280.9503284955. The cubic root of 86136039 is about 441.6331165845.

The spelling of 86136039 in words is "eighty-six million, one hundred thirty-six thousand, thirty-nine".