813474148 has 24 divisors (see below), whose sum is σ = 1443108800. Its totient is φ = 401195808.

The previous prime is 813474127. The next prime is 813474149. The reversal of 813474148 is 841474318.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 813474148.

It is not an unprimeable number, because it can be changed into a prime (813474149) 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 in 7 ways as a sum of consecutive naturals, for example, 82633 + ... + 91951.

Almost surely, 2^813474148 is an apocalyptic number.

It is an amenable number.

813474148 is a deficient number, since it is larger than the sum of its proper divisors (629634652).

813474148 is a wasteful number, since it uses less digits than its factorization.

813474148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9619 (or 9617 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 813474148 is about 28521.4681950281. The cubic root of 813474148 is about 933.5005652155.

The spelling of 813474148 in words is "eight hundred thirteen million, four hundred seventy-four thousand, one hundred forty-eight".