190394136 has 48 divisors (see below), whose sum is σ = 542794200. Its totient is φ = 60124032.

The previous prime is 190394131. The next prime is 190394167. The reversal of 190394136 is 631493091.

190394136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 190394136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190394131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68221 + ... + 70956.

Almost surely, 2^190394136 is an apocalyptic number.

It is an amenable number.

190394136 is an abundant number, since it is smaller than the sum of its proper divisors (352400064).

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

190394136 is a wasteful number, since it uses less digits than its factorization.

190394136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139208 (or 139201 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 190394136 is about 13798.3381608076. The cubic root of 190394136 is about 575.2869504110.

The spelling of 190394136 in words is "one hundred ninety million, three hundred ninety-four thousand, one hundred thirty-six".