131825040 has 80 divisors (see below), whose sum is σ = 430180800. Its totient is φ = 33302016.

The previous prime is 131825033. The next prime is 131825063. The reversal of 131825040 is 40528131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 131825040.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9895 + ... + 19014.

It is an arithmetic number, because the mean of its divisors is an integer number (5377260).

Almost surely, 2^131825040 is an apocalyptic number.

131825040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131825040 is an abundant number, since it is smaller than the sum of its proper divisors (298355760).

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

131825040 is a wasteful number, since it uses less digits than its factorization.

131825040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28944 (or 28938 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 131825040 is about 11481.5086116764. The cubic root of 131825040 is about 508.9392794405.

The spelling of 131825040 in words is "one hundred thirty-one million, eight hundred twenty-five thousand, forty".