190478113234 has 8 divisors (see below), whose sum is σ = 288338428620. Its totient is φ = 94365303696.

The previous prime is 190478113219. The next prime is 190478113271. The reversal of 190478113234 is 432311874091.

It can be written as a sum of positive squares in 2 ways, for example, as 185936027209 + 4542086025 = 431203^2 + 67395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436876189 + ... + 436876624.

Almost surely, 2^190478113234 is an apocalyptic number.

190478113234 is a deficient number, since it is larger than the sum of its proper divisors (97860315386).

190478113234 is a wasteful number, since it uses less digits than its factorization.

190478113234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873752924.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 190478113234 in words is "one hundred ninety billion, four hundred seventy-eight million, one hundred thirteen thousand, two hundred thirty-four".