813906124 has 6 divisors (see below), whose sum is σ = 1424335724. Its totient is φ = 406953060.

The previous prime is 813906113. The next prime is 813906277. The reversal of 813906124 is 421609318.

It is a self number, because there is not a number n which added to its sum of digits gives 813906124.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101738262 + ... + 101738269.

Almost surely, 2^813906124 is an apocalyptic number.

It is an amenable number.

813906124 is a deficient number, since it is larger than the sum of its proper divisors (610429600).

813906124 is a wasteful number, since it uses less digits than its factorization.

813906124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203476535 (or 203476533 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 813906124 is about 28529.0400118896. The cubic root of 813906124 is about 933.6657736955.

The spelling of 813906124 in words is "eight hundred thirteen million, nine hundred six thousand, one hundred twenty-four".