131375690 has 16 divisors (see below), whose sum is σ = 248922720. Its totient is φ = 49784400.

The previous prime is 131375689. The next prime is 131375723. The reversal of 131375690 is 96573131.

It is a super-2 number, since 2×131375690² = 34519143845952200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131375690.

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 7 ways as a sum of consecutive naturals, for example, 345536 + ... + 345915.

It is an arithmetic number, because the mean of its divisors is an integer number (15557670).

Almost surely, 2^131375690 is an apocalyptic number.

131375690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131375690 is a deficient number, since it is larger than the sum of its proper divisors (117547030).

131375690 is a wasteful number, since it uses less digits than its factorization.

131375690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691477.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 131375690 is about 11461.9234860472. The cubic root of 131375690 is about 508.3603499631.

The spelling of 131375690 in words is "one hundred thirty-one million, three hundred seventy-five thousand, six hundred ninety".