65138074284 has 24 divisors (see below), whose sum is σ = 152221613040. Its totient is φ = 21679438144.

The previous prime is 65138074273. The next prime is 65138074307. The reversal of 65138074284 is 48247083156.

It is a super-2 number, since 2×65138074284² (a number of 22 digits) contains 22 as substring.

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, 4148499 + ... + 4164170.

It is an arithmetic number, because the mean of its divisors is an integer number (6342567210).

Almost surely, 2^65138074284 is an apocalyptic number.

It is an amenable number.

65138074284 is an abundant number, since it is smaller than the sum of its proper divisors (87083538756).

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

65138074284 is a wasteful number, since it uses less digits than its factorization.

65138074284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313329 (or 8313327 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 65138074284 in words is "sixty-five billion, one hundred thirty-eight million, seventy-four thousand, two hundred eighty-four".