190886136 has 32 divisors (see below), whose sum is σ = 545389440. Its totient is φ = 54538848.

The previous prime is 190886093. The next prime is 190886147. The reversal of 190886136 is 631688091.

190886136 is digitally balanced in base 3, 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567946 + ... + 568281.

It is an arithmetic number, because the mean of its divisors is an integer number (17043420).

Almost surely, 2^190886136 is an apocalyptic number.

It is an amenable number.

190886136 is an abundant number, since it is smaller than the sum of its proper divisors (354503304).

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

190886136 is a wasteful number, since it uses less digits than its factorization.

190886136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136243 (or 1136239 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 190886136 is about 13816.1548920096. The cubic root of 190886136 is about 575.7820597169.

The spelling of 190886136 in words is "one hundred ninety million, eight hundred eighty-six thousand, one hundred thirty-six".