190357613 has 2 divisors, whose sum is σ = 190357614. Its totient is φ = 190357612.

The previous prime is 190357589. The next prime is 190357621. The reversal of 190357613 is 316753091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183819364 + 6538249 = 13558^2 + 2557^2 .

It is an emirp because it is prime and its reverse (316753091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190357613 - 2¹² = 190353517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190357663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95178806 + 95178807.

It is an arithmetic number, because the mean of its divisors is an integer number (95178807).

Almost surely, 2^190357613 is an apocalyptic number.

It is an amenable number.

190357613 is a deficient number, since it is larger than the sum of its proper divisors (1).

190357613 is an equidigital number, since it uses as much as digits as its factorization.

190357613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 190357613 is about 13797.0146408562. The cubic root of 190357613 is about 575.2501626027.

The spelling of 190357613 in words is "one hundred ninety million, three hundred fifty-seven thousand, six hundred thirteen".