86136481 has 8 divisors (see below), whose sum is σ = 93121280. Its totient is φ = 79396848.

The previous prime is 86136469. The next prime is 86136497. The reversal of 86136481 is 18463168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86136481 - 2⁹ = 86135969 is a prime.

It is a super-2 number, since 2×86136481² = 14838986718126722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 86136481.

It is not an unprimeable number, because it can be changed into a prime (86136431) 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 7 ways as a sum of consecutive naturals, for example, 60561 + ... + 61966.

It is an arithmetic number, because the mean of its divisors is an integer number (11640160).

Almost surely, 2^86136481 is an apocalyptic number.

It is an amenable number.

86136481 is a deficient number, since it is larger than the sum of its proper divisors (6984799).

86136481 is a wasteful number, since it uses less digits than its factorization.

86136481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122583.

The product of its digits is 27648, while the sum is 37.

The square root of 86136481 is about 9280.9741406816. The cubic root of 86136481 is about 441.6338719845.

The spelling of 86136481 in words is "eighty-six million, one hundred thirty-six thousand, four hundred eighty-one".