19139058 has 32 divisors (see below), whose sum is σ = 43441920. Its totient is φ = 6243120.

The previous prime is 19139039. The next prime is 19139063. The reversal of 19139058 is 85093191.

It is a happy number.

It is a super-2 number, since 2×19139058² = 732607082254728, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 6308.

It is an arithmetic number, because the mean of its divisors is an integer number (1357560).

Almost surely, 2^19139058 is an apocalyptic number.

19139058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19139058 is an abundant number, since it is smaller than the sum of its proper divisors (24302862).

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

19139058 is a wasteful number, since it uses less digits than its factorization.

19139058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 7593 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 19139058 is about 4374.8209106202. The cubic root of 19139058 is about 267.4895701526.

The spelling of 19139058 in words is "nineteen million, one hundred thirty-nine thousand, fifty-eight".