131265108 has 72 divisors (see below), whose sum is σ = 366101736. Its totient is φ = 39398400.

The previous prime is 131265097. The next prime is 131265131. The reversal of 131265108 is 801562131.

131265108 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 651 + 0 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 130919364 = 588^2 + 11442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15768 + ... + 22608.

Almost surely, 2^131265108 is an apocalyptic number.

131265108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131265108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183050868).

131265108 is an abundant number, since it is smaller than the sum of its proper divisors (234836628).

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

131265108 is a wasteful number, since it uses less digits than its factorization.

131265108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 131265108 is about 11457.0985855931. The cubic root of 131265108 is about 508.2176769814.

The spelling of 131265108 in words is "one hundred thirty-one million, two hundred sixty-five thousand, one hundred eight".