83148684138 has 32 divisors (see below), whose sum is σ = 198988305600. Its totient is φ = 25584210288.

The previous prime is 83148684109. The next prime is 83148684149.

83148684138 is a `hidden beast` number, since 83 + 1 + 486 + 84 + 1 + 3 + 8 = 666.

83148684138 is nontrivially palindromic in base 10.

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

It is a Curzon number.

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, 59222008 + ... + 59223411.

It is an arithmetic number, because the mean of its divisors is an integer number (6218384550).

Almost surely, 2^83148684138 is an apocalyptic number.

83148684138 is an abundant number, since it is smaller than the sum of its proper divisors (115839621462).

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

83148684138 is a wasteful number, since it uses less digits than its factorization.

83148684138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118445443 (or 118445437 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The spelling of 83148684138 in words is "eighty-three billion, one hundred forty-eight million, six hundred eighty-four thousand, one hundred thirty-eight".