138402832134 has 32 divisors (see below), whose sum is σ = 332999297280. Its totient is φ = 37462420512.

The previous prime is 138402832129. The next prime is 138402832259. The reversal of 138402832134 is 431238204831.

It is a junction number, because it is equal to n+sod(n) for n = 138402832092 and 138402832101.

It is a congruent 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, 86717769 + ... + 86719364.

It is an arithmetic number, because the mean of its divisors is an integer number (10406228040).

Almost surely, 2^138402832134 is an apocalyptic number.

138402832134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138402832134 is an abundant number, since it is smaller than the sum of its proper divisors (194596465146).

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

138402832134 is a wasteful number, since it uses less digits than its factorization.

138402832134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173437164.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 138402832134 in words is "one hundred thirty-eight billion, four hundred two million, eight hundred thirty-two thousand, one hundred thirty-four".