86654131 has 4 divisors (see below), whose sum is σ = 86712552. Its totient is φ = 86595712.

The previous prime is 86654123. The next prime is 86654153. The reversal of 86654131 is 13145668.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86654131 - 2³ = 86654123 is a prime.

It is a super-2 number, since 2×86654131² = 15017876838730322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86654101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26926 + ... + 29971.

It is an arithmetic number, because the mean of its divisors is an integer number (21678138).

Almost surely, 2^86654131 is an apocalyptic number.

86654131 is a deficient number, since it is larger than the sum of its proper divisors (58421).

86654131 is a wasteful number, since it uses less digits than its factorization.

86654131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58420.

The product of its digits is 17280, while the sum is 34.

The square root of 86654131 is about 9308.8200648632. The cubic root of 86654131 is about 442.5167938129.

Adding to 86654131 its reverse (13145668), we get a palindrome (99799799).

The spelling of 86654131 in words is "eighty-six million, six hundred fifty-four thousand, one hundred thirty-one".