86136040 has 16 divisors (see below), whose sum is σ = 193806180. Its totient is φ = 34454400.

The previous prime is 86136031. The next prime is 86136049. The reversal of 86136040 is 4063168.

It is an interprime number because it is at equal distance from previous prime (86136031) and next prime (86136049).

It can be written as a sum of positive squares in 2 ways, for example, as 86081284 + 54756 = 9278^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (86136049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076661 + ... + 1076740.

Almost surely, 2^86136040 is an apocalyptic number.

It is an amenable number.

86136040 is an abundant number, since it is smaller than the sum of its proper divisors (107670140).

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

86136040 is a wasteful number, since it uses less digits than its factorization.

86136040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153412 (or 2153408 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 86136040 is about 9280.9503823693. The cubic root of 86136040 is about 441.6331182935.

The spelling of 86136040 in words is "eighty-six million, one hundred thirty-six thousand, forty".