130457193 has 4 divisors (see below), whose sum is σ = 173942928. Its totient is φ = 86971460.

The previous prime is 130457177. The next prime is 130457231. The reversal of 130457193 is 391754031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130457193 - 2⁴ = 130457177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130457113) 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, 21742863 + ... + 21742868.

It is an arithmetic number, because the mean of its divisors is an integer number (43485732).

Almost surely, 2^130457193 is an apocalyptic number.

It is an amenable number.

130457193 is a deficient number, since it is larger than the sum of its proper divisors (43485735).

130457193 is an equidigital number, since it uses as much as digits as its factorization.

130457193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43485734.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 130457193 is about 11421.7858936333. The cubic root of 130457193 is about 507.1728652821.

The spelling of 130457193 in words is "one hundred thirty million, four hundred fifty-seven thousand, one hundred ninety-three".