65139069000 has 64 divisors (see below), whose sum is σ = 203233904640. Its totient is φ = 17370417600.

The previous prime is 65139068999. The next prime is 65139069059. The reversal of 65139069000 is 96093156.

It is a super-2 number, since 2×65139069000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65139069000.

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, 10853512 + ... + 10859511.

It is an arithmetic number, because the mean of its divisors is an integer number (3175529760).

Almost surely, 2^65139069000 is an apocalyptic number.

65139069000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65139069000 is an abundant number, since it is smaller than the sum of its proper divisors (138094835640).

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

65139069000 is a wasteful number, since it uses less digits than its factorization.

65139069000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21713047 (or 21713033 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 65139069000 in words is "sixty-five billion, one hundred thirty-nine million, sixty-nine thousand".