192138936 has 32 divisors (see below), whose sum is σ = 524016000. Its totient is φ = 58223840.

The previous prime is 192138931. The next prime is 192138971. The reversal of 192138936 is 639831291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192138931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363636 + ... + 364163.

It is an arithmetic number, because the mean of its divisors is an integer number (16375500).

Almost surely, 2^192138936 is an apocalyptic number.

It is an amenable number.

192138936 is an abundant number, since it is smaller than the sum of its proper divisors (331877064).

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

192138936 is a wasteful number, since it uses less digits than its factorization.

192138936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727819 (or 727815 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 192138936 is about 13861.4189749823. The cubic root of 192138936 is about 577.0389476176.

It can be divided in two parts, 192 and 138936, that added together give a triangular number (139128 = T₅₂₇).

The spelling of 192138936 in words is "one hundred ninety-two million, one hundred thirty-eight thousand, nine hundred thirty-six".