190854091 has 4 divisors (see below), whose sum is σ = 190931800. Its totient is φ = 190776384.

The previous prime is 190854071. The next prime is 190854137. The reversal of 190854091 is 190458091.

190854091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190854091 - 2⁷ = 190853963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190854091.

It is not an unprimeable number, because it can be changed into a prime (190854061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35046 + ... + 40123.

It is an arithmetic number, because the mean of its divisors is an integer number (47732950).

Almost surely, 2^190854091 is an apocalyptic number.

190854091 is a deficient number, since it is larger than the sum of its proper divisors (77709).

190854091 is an equidigital number, since it uses as much as digits as its factorization.

190854091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77708.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 190854091 is about 13814.9951501982. The cubic root of 190854091 is about 575.7498381194.

The spelling of 190854091 in words is "one hundred ninety million, eight hundred fifty-four thousand, ninety-one".