131927725 has 6 divisors (see below), whose sum is σ = 163590410. Its totient is φ = 105542160.

The previous prime is 131927713. The next prime is 131927737. The reversal of 131927725 is 527729131.

It is an interprime number because it is at equal distance from previous prime (131927713) and next prime (131927737).

It can be written as a sum of positive squares in 3 ways, for example, as 45846441 + 86081284 = 6771^2 + 9278^2 .

It is not a de Polignac number, because 131927725 - 2⁵ = 131927693 is a prime.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2638530 + ... + 2638579.

Almost surely, 2^131927725 is an apocalyptic number.

It is an amenable number.

131927725 is a deficient number, since it is larger than the sum of its proper divisors (31662685).

131927725 is an equidigital number, since it uses as much as digits as its factorization.

131927725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277119 (or 5277114 counting only the distinct ones).

The product of its digits is 26460, while the sum is 37.

The square root of 131927725 is about 11485.9794967604. The cubic root of 131927725 is about 509.0713910797.

The spelling of 131927725 in words is "one hundred thirty-one million, nine hundred twenty-seven thousand, seven hundred twenty-five".