131946825 has 12 divisors (see below), whose sum is σ = 218152208. Its totient is φ = 70371600.

The previous prime is 131946821. The next prime is 131946853. The reversal of 131946825 is 528649131.

It is not a de Polignac number, because 131946825 - 2² = 131946821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131946821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879571 + ... + 879720.

Almost surely, 2^131946825 is an apocalyptic number.

131946825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131946825 is a deficient number, since it is larger than the sum of its proper divisors (86205383).

131946825 is a wasteful number, since it uses less digits than its factorization.

131946825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759304 (or 1759299 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 131946825 is about 11486.8109151322. The cubic root of 131946825 is about 509.0959570416.

The spelling of 131946825 in words is "one hundred thirty-one million, nine hundred forty-six thousand, eight hundred twenty-five".