131478161125 has 32 divisors (see below), whose sum is σ = 164916984960. Its totient is φ = 104650000000.

The previous prime is 131478161119. The next prime is 131478161153. The reversal of 131478161125 is 521161874131.

It is a happy number.

It is not a de Polignac number, because 131478161125 - 2⁷ = 131478160997 is a prime.

It is a super-2 number, since 2×131478161125² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40440750 + ... + 40444000.

It is an arithmetic number, because the mean of its divisors is an integer number (5153655780).

Almost surely, 2^131478161125 is an apocalyptic number.

It is an amenable number.

131478161125 is a deficient number, since it is larger than the sum of its proper divisors (33438823835).

131478161125 is a wasteful number, since it uses less digits than its factorization.

131478161125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4796 counting only the distinct ones).

The product of its digits is 40320, while the sum is 40.

The spelling of 131478161125 in words is "one hundred thirty-one billion, four hundred seventy-eight million, one hundred sixty-one thousand, one hundred twenty-five".