131154164 has 12 divisors (see below), whose sum is σ = 229702788. Its totient is φ = 65524800.

The previous prime is 131154157. The next prime is 131154173. The reversal of 131154164 is 461451131.

It can be written as a sum of positive squares in 2 ways, for example, as 71740900 + 59413264 = 8470^2 + 7708^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7127 + ... + 17694.

It is an arithmetic number, because the mean of its divisors is an integer number (19141899).

Almost surely, 2^131154164 is an apocalyptic number.

It is an amenable number.

131154164 is a deficient number, since it is larger than the sum of its proper divisors (98548624).

131154164 is a wasteful number, since it uses less digits than its factorization.

131154164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146 (or 26144 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 131154164 is about 11452.2558476485. The cubic root of 131154164 is about 508.0744564022.

The spelling of 131154164 in words is "one hundred thirty-one million, one hundred fifty-four thousand, one hundred sixty-four".