65238134 has 32 divisors (see below), whose sum is σ = 113672160. Its totient is φ = 27820800.

The previous prime is 65238133. The next prime is 65238169. The reversal of 65238134 is 43183256.

It is a self number, because there is not a number n which added to its sum of digits gives 65238134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65238133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18644 + ... + 21864.

It is an arithmetic number, because the mean of its divisors is an integer number (3552255).

Almost surely, 2^65238134 is an apocalyptic number.

65238134 is a deficient number, since it is larger than the sum of its proper divisors (48434026).

65238134 is a wasteful number, since it uses less digits than its factorization.

65238134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296.

The product of its digits is 17280, while the sum is 32.

The square root of 65238134 is about 8077.0126903454. The cubic root of 65238134 is about 402.5629884833.

The spelling of 65238134 in words is "sixty-five million, two hundred thirty-eight thousand, one hundred thirty-four".