190866713 has 2 divisors, whose sum is σ = 190866714. Its totient is φ = 190866712.

The previous prime is 190866679. The next prime is 190866733. The reversal of 190866713 is 317668091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112933129 + 77933584 = 10627^2 + 8828^2 .

It is a cyclic number.

It is not a de Polignac number, because 190866713 - 2¹⁸ = 190604569 is a prime.

It is not a weakly prime, because it can be changed into another prime (190866733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95433356 + 95433357.

It is an arithmetic number, because the mean of its divisors is an integer number (95433357).

Almost surely, 2^190866713 is an apocalyptic number.

It is an amenable number.

190866713 is a deficient number, since it is larger than the sum of its proper divisors (1).

190866713 is an equidigital number, since it uses as much as digits as its factorization.

190866713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 190866713 is about 13815.4519651005. The cubic root of 190866713 is about 575.7625301088.

The spelling of 190866713 in words is "one hundred ninety million, eight hundred sixty-six thousand, seven hundred thirteen".