19139692 has 24 divisors (see below), whose sum is σ = 39351312. Its totient is φ = 8030400.

The previous prime is 19139663. The next prime is 19139711. The reversal of 19139692 is 29693191.

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, 16159 + ... + 17302.

It is an arithmetic number, because the mean of its divisors is an integer number (1639638).

Almost surely, 2^19139692 is an apocalyptic number.

It is an amenable number.

19139692 is an abundant number, since it is smaller than the sum of its proper divisors (20211620).

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

19139692 is a wasteful number, since it uses less digits than its factorization.

19139692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33489 (or 33487 counting only the distinct ones).

The product of its digits is 26244, while the sum is 40.

The square root of 19139692 is about 4374.8933701292. The cubic root of 19139692 is about 267.4925237378.

The spelling of 19139692 in words is "nineteen million, one hundred thirty-nine thousand, six hundred ninety-two".