65693136 has 40 divisors (see below), whose sum is σ = 170015904. Its totient is φ = 21857920.

The previous prime is 65693107. The next prime is 65693141. The reversal of 65693136 is 63139656.

It is a junction number, because it is equal to n+sod(n) for n = 65693094 and 65693103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38575 + ... + 40241.

Almost surely, 2^65693136 is an apocalyptic number.

It is an amenable number.

65693136 is an abundant number, since it is smaller than the sum of its proper divisors (104322768).

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

65693136 is a wasteful number, since it uses less digits than its factorization.

65693136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2493 counting only the distinct ones).

The product of its digits is 87480, while the sum is 39.

The square root of 65693136 is about 8105.1302272080. The cubic root of 65693136 is about 403.4967101409.

The spelling of 65693136 in words is "sixty-five million, six hundred ninety-three thousand, one hundred thirty-six".