131654736 has 30 divisors (see below), whose sum is σ = 368450810. Its totient is φ = 43884864.

The previous prime is 131654729. The next prime is 131654741. The reversal of 131654736 is 637456131.

It can be written as a sum of positive squares in only one way, i.e., 112784400 + 18870336 = 10620^2 + 4344^2 .

It is a super-2 number, since 2×131654736² = 34665939022459392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 131654736.

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 5 ways as a sum of consecutive naturals, for example, 456991 + ... + 457278.

Almost surely, 2^131654736 is an apocalyptic number.

131654736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131654736 is an abundant number, since it is smaller than the sum of its proper divisors (236796074).

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

131654736 is a wasteful number, since it uses less digits than its factorization.

131654736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914283 (or 914274 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 131654736 is about 11474.0897678204. The cubic root of 131654736 is about 508.7200197648.

The spelling of 131654736 in words is "one hundred thirty-one million, six hundred fifty-four thousand, seven hundred thirty-six".