190513157 has 2 divisors, whose sum is σ = 190513158. Its totient is φ = 190513156.

The previous prime is 190513129. The next prime is 190513181. The reversal of 190513157 is 751315091.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178115716 + 12397441 = 13346^2 + 3521^2 .

It is a cyclic number.

It is not a de Polignac number, because 190513157 - 2⁸ = 190512901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190513357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95256578 + 95256579.

It is an arithmetic number, because the mean of its divisors is an integer number (95256579).

Almost surely, 2^190513157 is an apocalyptic number.

It is an amenable number.

190513157 is a deficient number, since it is larger than the sum of its proper divisors (1).

190513157 is an equidigital number, since it uses as much as digits as its factorization.

190513157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 190513157 is about 13802.6503614342. The cubic root of 190513157 is about 575.4068017305.

The spelling of 190513157 in words is "one hundred ninety million, five hundred thirteen thousand, one hundred fifty-seven".