131178025 has 12 divisors (see below), whose sum is σ = 177448464. Its totient is φ = 95402000.

The previous prime is 131178017. The next prime is 131178031. The reversal of 131178025 is 520871131.

It is not a de Polignac number, because 131178025 - 2³ = 131178017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131177984 and 131178002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238231 + ... + 238780.

It is an arithmetic number, because the mean of its divisors is an integer number (14787372).

Almost surely, 2^131178025 is an apocalyptic number.

It is an amenable number.

131178025 is a deficient number, since it is larger than the sum of its proper divisors (46270439).

131178025 is a wasteful number, since it uses less digits than its factorization.

131178025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477032 (or 477027 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 131178025 is about 11453.2975600916. The cubic root of 131178025 is about 508.1052660212.

The spelling of 131178025 in words is "one hundred thirty-one million, one hundred seventy-eight thousand, twenty-five".