83134142172 has 36 divisors (see below), whose sum is σ = 211678552176. Its totient is φ = 27509106240.

The previous prime is 83134142141. The next prime is 83134142191. The reversal of 83134142172 is 27124143138.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×83134142172² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8423104 + ... + 8432967.

Almost surely, 2^83134142172 is an apocalyptic number.

It is an amenable number.

83134142172 is an abundant number, since it is smaller than the sum of its proper divisors (128544410004).

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

83134142172 is a wasteful number, since it uses less digits than its factorization.

83134142172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16856218 (or 16856213 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 83134142172 in words is "eighty-three billion, one hundred thirty-four million, one hundred forty-two thousand, one hundred seventy-two".