131654725 has 6 divisors (see below), whose sum is σ = 163251890. Its totient is φ = 105323760.

The previous prime is 131654723. The next prime is 131654729. The reversal of 131654725 is 527456131.

It can be written as a sum of positive squares in 3 ways, for example, as 391876 + 131262849 = 626^2 + 11457^2 .

It is not a de Polignac number, because 131654725 - 2¹ = 131654723 is a prime.

It is a super-2 number, since 2×131654725² = 34665933229651250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131654723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2633070 + ... + 2633119.

Almost surely, 2^131654725 is an apocalyptic number.

It is an amenable number.

131654725 is a deficient number, since it is larger than the sum of its proper divisors (31597165).

131654725 is an equidigital number, since it uses as much as digits as its factorization.

131654725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266199 (or 5266194 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 131654725 is about 11474.0892884795. The cubic root of 131654725 is about 508.7200055966.

The spelling of 131654725 in words is "one hundred thirty-one million, six hundred fifty-four thousand, seven hundred twenty-five".