190135513 has 4 divisors (see below), whose sum is σ = 196691940. Its totient is φ = 183579088.

The previous prime is 190135501. The next prime is 190135523. The reversal of 190135513 is 315531091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97456384 + 92679129 = 9872^2 + 9627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190135513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190135523) 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, 3278170 + ... + 3278227.

It is an arithmetic number, because the mean of its divisors is an integer number (49172985).

Almost surely, 2^190135513 is an apocalyptic number.

It is an amenable number.

190135513 is a deficient number, since it is larger than the sum of its proper divisors (6556427).

190135513 is an equidigital number, since it uses as much as digits as its factorization.

190135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556426.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 190135513 is about 13788.9634490777. The cubic root of 190135513 is about 575.0263509033.

The spelling of 190135513 in words is "one hundred ninety million, one hundred thirty-five thousand, five hundred thirteen".