108490131 has 32 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 69219360.

The previous prime is 108490127. The next prime is 108490153. The reversal of 108490131 is 131094801.

It is not a de Polignac number, because 108490131 - 2² = 108490127 is a prime.

It is a super-2 number, since 2×108490131² = 23540217048794322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 108490095 and 108490104.

It is not an unprimeable number, because it can be changed into a prime (108490331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98896 + ... + 99986.

It is an arithmetic number, because the mean of its divisors is an integer number (5241600).

Almost surely, 2^108490131 is an apocalyptic number.

108490131 is a deficient number, since it is larger than the sum of its proper divisors (59241069).

108490131 is a wasteful number, since it uses less digits than its factorization.

108490131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 108490131 is about 10415.8595900674. The cubic root of 108490131 is about 476.9396308237.

The spelling of 108490131 in words is "one hundred eight million, four hundred ninety thousand, one hundred thirty-one".