190210117 has 4 divisors (see below), whose sum is σ = 192617920. Its totient is φ = 187802316.

The previous prime is 190210091. The next prime is 190210133. The reversal of 190210117 is 711012091.

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 190210117 - 2⁷ = 190209989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190210157) 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, 1203783 + ... + 1203940.

It is an arithmetic number, because the mean of its divisors is an integer number (48154480).

Almost surely, 2^190210117 is an apocalyptic number.

It is an amenable number.

190210117 is a deficient number, since it is larger than the sum of its proper divisors (2407803).

190210117 is an equidigital number, since it uses as much as digits as its factorization.

190210117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407802.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 190210117 is about 13791.6683907350. The cubic root of 190210117 is about 575.1015492984.

The spelling of 190210117 in words is "one hundred ninety million, two hundred ten thousand, one hundred seventeen".