192139688700 has 108 divisors (see below), whose sum is σ = 602759368848. Its totient is φ = 51194016000.

The previous prime is 192139688677. The next prime is 192139688737. The reversal of 192139688700 is 7886931291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 984225 + ... + 1163175.

Almost surely, 2^192139688700 is an apocalyptic number.

192139688700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 192139688700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301379684424).

192139688700 is an abundant number, since it is smaller than the sum of its proper divisors (410619680148).

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

192139688700 is a wasteful number, since it uses less digits than its factorization.

192139688700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180164 (or 180154 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 192139688700 in words is "one hundred ninety-two billion, one hundred thirty-nine million, six hundred eighty-eight thousand, seven hundred".