131339970 has 96 divisors (see below), whose sum is σ = 363916800. Its totient is φ = 32769792.

The previous prime is 131339969. The next prime is 131339981. The reversal of 131339970 is 79933131.

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 47 ways as a sum of consecutive naturals, for example, 151759 + ... + 152621.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 2^131339970 is an apocalyptic number.

131339970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131339970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181958400).

131339970 is an abundant number, since it is smaller than the sum of its proper divisors (232576830).

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

131339970 is a wasteful number, since it uses less digits than its factorization.

131339970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 36.

The square root of 131339970 is about 11460.3651774278. The cubic root of 131339970 is about 508.3142727482.

The spelling of 131339970 in words is "one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred seventy".