192139800 has 96 divisors (see below), whose sum is σ = 597818880. Its totient is φ = 51049600.

The previous prime is 192139789. The next prime is 192139841. The reversal of 192139800 is 8931291.

192139800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258229 + ... + 258971.

It is an arithmetic number, because the mean of its divisors is an integer number (6227280).

Almost surely, 2^192139800 is an apocalyptic number.

192139800 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 192139800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298909440).

192139800 is an abundant number, since it is smaller than the sum of its proper divisors (405679080).

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

192139800 is a wasteful number, since it uses less digits than its factorization.

192139800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 192139800 is about 13861.4501405877. The cubic root of 192139800 is about 577.0398125489.

The spelling of 192139800 in words is "one hundred ninety-two million, one hundred thirty-nine thousand, eight hundred".