190052091 has 24 divisors (see below), whose sum is σ = 283654800. Its totient is φ = 122527296.

The previous prime is 190052089. The next prime is 190052123. The reversal of 190052091 is 190250091.

It is a happy number.

It is not a de Polignac number, because 190052091 - 2¹ = 190052089 is a prime.

It is a super-2 number, since 2×190052091² = 72239594586944562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190052021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55960 + ... + 59258.

It is an arithmetic number, because the mean of its divisors is an integer number (11818950).

Almost surely, 2^190052091 is an apocalyptic number.

190052091 is a deficient number, since it is larger than the sum of its proper divisors (93602709).

190052091 is a wasteful number, since it uses less digits than its factorization.

190052091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 190052091 is about 13785.9381617647. The cubic root of 190052091 is about 574.9422409532.

The spelling of 190052091 in words is "one hundred ninety million, fifty-two thousand, ninety-one".