65131476 has 48 divisors (see below), whose sum is σ = 155400000. Its totient is φ = 21226752.

The previous prime is 65131453. The next prime is 65131481. The reversal of 65131476 is 67413156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130275 + ... + 130773.

It is an arithmetic number, because the mean of its divisors is an integer number (3237500).

Almost surely, 2^65131476 is an apocalyptic number.

It is an amenable number.

65131476 is an abundant number, since it is smaller than the sum of its proper divisors (90268524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65131476 is a wasteful number, since it uses less digits than its factorization.

65131476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 65131476 is about 8070.4074246596. The cubic root of 65131476 is about 402.3434850482.

The spelling of 65131476 in words is "sixty-five million, one hundred thirty-one thousand, four hundred seventy-six".