190090369 has 4 divisors (see below), whose sum is σ = 217246144. Its totient is φ = 162934596.

The previous prime is 190090343. The next prime is 190090387. The reversal of 190090369 is 963090091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190090369 - 2⁵ = 190090337 is a prime.

It is a super-2 number, since 2×190090369² = 72268696773112322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190090399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13577877 + ... + 13577890.

It is an arithmetic number, because the mean of its divisors is an integer number (54311536).

Almost surely, 2^190090369 is an apocalyptic number.

It is an amenable number.

190090369 is a deficient number, since it is larger than the sum of its proper divisors (27155775).

190090369 is an equidigital number, since it uses as much as digits as its factorization.

190090369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27155774.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 190090369 is about 13787.3263905661. The cubic root of 190090369 is about 574.9808376727.

The spelling of 190090369 in words is "one hundred ninety million, ninety thousand, three hundred sixty-nine".