131425165 has 8 divisors (see below), whose sum is σ = 158225760. Its totient is φ = 104796432.

The previous prime is 131425141. The next prime is 131425199. The reversal of 131425165 is 561524131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131425165 - 2¹⁵ = 131392397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41275 + ... + 44344.

It is an arithmetic number, because the mean of its divisors is an integer number (19778220).

Almost surely, 2^131425165 is an apocalyptic number.

It is an amenable number.

131425165 is a deficient number, since it is larger than the sum of its proper divisors (26800595).

131425165 is an equidigital number, since it uses as much as digits as its factorization.

131425165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85931.

The product of its digits is 3600, while the sum is 28.

The square root of 131425165 is about 11464.0815157604. The cubic root of 131425165 is about 508.4241567240.

Adding to 131425165 its reverse (561524131), we get a palindrome (692949296).

The spelling of 131425165 in words is "one hundred thirty-one million, four hundred twenty-five thousand, one hundred sixty-five".