813451130 has 8 divisors (see below), whose sum is σ = 1464212052. Its totient is φ = 325380448.

The previous prime is 813451117. The next prime is 813451147. The reversal of 813451130 is 31154318.

It can be written as a sum of positive squares in 2 ways, for example, as 810142369 + 3308761 = 28463^2 + 1819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 813451130.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40672547 + ... + 40672566.

Almost surely, 2^813451130 is an apocalyptic number.

813451130 is a deficient number, since it is larger than the sum of its proper divisors (650760922).

813451130 is a wasteful number, since it uses less digits than its factorization.

813451130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81345120.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 813451130 is about 28521.0646715721. The cubic root of 813451130 is about 933.4917603798.

The spelling of 813451130 in words is "eight hundred thirteen million, four hundred fifty-one thousand, one hundred thirty".