131362644 has 48 divisors (see below), whose sum is σ = 351881600. Its totient is φ = 37362816.

The previous prime is 131362639. The next prime is 131362661. The reversal of 131362644 is 446263131.

It is a super-2 number, since 2×131362644² = 34512288477341472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15822 + ... + 22650.

Almost surely, 2^131362644 is an apocalyptic number.

131362644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131362644 is an abundant number, since it is smaller than the sum of its proper divisors (220518956).

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

131362644 is a wasteful number, since it uses less digits than its factorization.

131362644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072 (or 7070 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 131362644 is about 11461.3543702304. The cubic root of 131362644 is about 508.3435221703.

The spelling of 131362644 in words is "one hundred thirty-one million, three hundred sixty-two thousand, six hundred forty-four".