190807613 has 2 divisors, whose sum is σ = 190807614. Its totient is φ = 190807612.

The previous prime is 190807571. The next prime is 190807627. The reversal of 190807613 is 316708091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106956964 + 83850649 = 10342^2 + 9157^2 .

It is a cyclic number.

It is not a de Polignac number, because 190807613 - 2¹² = 190803517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190807013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95403806 + 95403807.

It is an arithmetic number, because the mean of its divisors is an integer number (95403807).

Almost surely, 2^190807613 is an apocalyptic number.

It is an amenable number.

190807613 is a deficient number, since it is larger than the sum of its proper divisors (1).

190807613 is an equidigital number, since it uses as much as digits as its factorization.

190807613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 190807613 is about 13813.3128901071. The cubic root of 190807613 is about 575.7030975730.

The spelling of 190807613 in words is "one hundred ninety million, eight hundred seven thousand, six hundred thirteen".