131318750 has 24 divisors (see below), whose sum is σ = 246218616. Its totient is φ = 52525000.

The previous prime is 131318749. The next prime is 131318771. The reversal of 131318750 is 57813131.

It is a super-2 number, since 2×131318750² = 34489228203125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4256 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (10259109).

Almost surely, 2^131318750 is an apocalyptic number.

131318750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131318750 is a deficient number, since it is larger than the sum of its proper divisors (114899866).

131318750 is an frugal number, since it uses more digits than its factorization.

131318750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21038 (or 21018 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 131318750 is about 11459.4393405611. The cubic root of 131318750 is about 508.2868959341.

The spelling of 131318750 in words is "one hundred thirty-one million, three hundred eighteen thousand, seven hundred fifty".