190717133 has 4 divisors (see below), whose sum is σ = 191035068. Its totient is φ = 190399200.

The previous prime is 190717091. The next prime is 190717157. The reversal of 190717133 is 331717091.

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

It can be written as a sum of positive squares in 2 ways, for example, as 145853929 + 44863204 = 12077^2 + 6698^2 .

It is a cyclic number.

It is not a de Polignac number, because 190717133 - 2¹⁰ = 190716109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190717133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190717433) 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, 158066 + ... + 159267.

It is an arithmetic number, because the mean of its divisors is an integer number (47758767).

Almost surely, 2^190717133 is an apocalyptic number.

It is an amenable number.

190717133 is a deficient number, since it is larger than the sum of its proper divisors (317935).

190717133 is an equidigital number, since it uses as much as digits as its factorization.

190717133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317934.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 190717133 is about 13810.0374003838. The cubic root of 190717133 is about 575.6120846916.

The spelling of 190717133 in words is "one hundred ninety million, seven hundred seventeen thousand, one hundred thirty-three".