131069980 has 24 divisors (see below), whose sum is σ = 289734480. Its totient is φ = 49668480.

The previous prime is 131069909. The next prime is 131069987. The reversal of 131069980 is 89960131.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131069987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172081 + ... + 172840.

It is an arithmetic number, because the mean of its divisors is an integer number (12072270).

Almost surely, 2^131069980 is an apocalyptic number.

131069980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131069980 is an abundant number, since it is smaller than the sum of its proper divisors (158664500).

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

131069980 is a wasteful number, since it uses less digits than its factorization.

131069980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344949 (or 344947 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 131069980 is about 11448.5798245896. The cubic root of 131069980 is about 507.9657271192.

The spelling of 131069980 in words is "one hundred thirty-one million, sixty-nine thousand, nine hundred eighty".