83195259138 has 32 divisors (see below), whose sum is σ = 185010672000. Its totient is φ = 27711905328.

The previous prime is 83195259089. The next prime is 83195259149.

83195259138 is a `hidden beast` number, since 8 + 3 + 19 + 5 + 2 + 591 + 38 = 666.

83195259138 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×83195259138² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 475081 + ... + 626172.

It is an arithmetic number, because the mean of its divisors is an integer number (5781583500).

Almost surely, 2^83195259138 is an apocalyptic number.

83195259138 is an abundant number, since it is smaller than the sum of its proper divisors (101815412862).

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

83195259138 is a wasteful number, since it uses less digits than its factorization.

83195259138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102663 (or 1102657 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The spelling of 83195259138 in words is "eighty-three billion, one hundred ninety-five million, two hundred fifty-nine thousand, one hundred thirty-eight".