131925140 has 12 divisors (see below), whose sum is σ = 277042836. Its totient is φ = 52770048.

The previous prime is 131925139. The next prime is 131925149. The reversal of 131925140 is 41529131.

It can be written as a sum of positive squares in 2 ways, for example, as 73891216 + 58033924 = 8596^2 + 7618^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131925149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3298109 + ... + 3298148.

It is an arithmetic number, because the mean of its divisors is an integer number (23086903).

Almost surely, 2^131925140 is an apocalyptic number.

131925140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131925140 is an abundant number, since it is smaller than the sum of its proper divisors (145117696).

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

131925140 is a wasteful number, since it uses less digits than its factorization.

131925140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596266 (or 6596264 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 131925140 is about 11485.8669677130. The cubic root of 131925140 is about 509.0680661326.

The spelling of 131925140 in words is "one hundred thirty-one million, nine hundred twenty-five thousand, one hundred forty".