65131364 has 12 divisors (see below), whose sum is σ = 114055788. Its totient is φ = 32544000.

The previous prime is 65131351. The next prime is 65131379. The reversal of 65131364 is 46313156.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41705764 + 23425600 = 6458^2 + 4840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684 + ... + 11724.

It is an arithmetic number, because the mean of its divisors is an integer number (9504649).

Almost surely, 2^65131364 is an apocalyptic number.

It is an amenable number.

65131364 is a deficient number, since it is larger than the sum of its proper divisors (48924424).

65131364 is a wasteful number, since it uses less digits than its factorization.

65131364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10846 (or 10844 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 65131364 is about 8070.4004857256. The cubic root of 65131364 is about 402.3432544250.

The spelling of 65131364 in words is "sixty-five million, one hundred thirty-one thousand, three hundred sixty-four".