191492059 has 6 divisors (see below), whose sum is σ = 210483140. Its totient is φ = 174083580.

The previous prime is 191492033. The next prime is 191492071. The reversal of 191492059 is 950294191.

It is not a de Polignac number, because 191492059 - 2⁷ = 191491931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (191493059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 791169 + ... + 791410.

Almost surely, 2^191492059 is an apocalyptic number.

191492059 is a deficient number, since it is larger than the sum of its proper divisors (18991081).

191492059 is a wasteful number, since it uses less digits than its factorization.

191492059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582601 (or 1582590 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 191492059 is about 13838.0655801308. The cubic root of 191492059 is about 576.3906443327.

The spelling of 191492059 in words is "one hundred ninety-one million, four hundred ninety-two thousand, fifty-nine".