192040138 has 16 divisors (see below), whose sum is σ = 296281440. Its totient is φ = 93287376.

The previous prime is 192040099. The next prime is 192040141. The reversal of 192040138 is 831040291.

It is a happy number.

192040138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63873 + ... + 66811.

It is an arithmetic number, because the mean of its divisors is an integer number (18517590).

Almost surely, 2^192040138 is an apocalyptic number.

192040138 is a deficient number, since it is larger than the sum of its proper divisors (104241302).

192040138 is a wasteful number, since it uses less digits than its factorization.

192040138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 192040138 is about 13857.8547401826. The cubic root of 192040138 is about 576.9400260256.

The spelling of 192040138 in words is "one hundred ninety-two million, forty thousand, one hundred thirty-eight".