813926142 has 48 divisors (see below), whose sum is σ = 1916229120. Its totient is φ = 248734800.

The previous prime is 813926131. The next prime is 813926147. The reversal of 813926142 is 241629318.

813926142 is a `hidden beast` number, since 8 + 1 + 39 + 2 + 614 + 2 = 666.

813926142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 813926097 and 813926106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813926147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27784 + ... + 48987.

It is an arithmetic number, because the mean of its divisors is an integer number (39921440).

Almost surely, 2^813926142 is an apocalyptic number.

813926142 is an abundant number, since it is smaller than the sum of its proper divisors (1102302978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813926142 is a wasteful number, since it uses less digits than its factorization.

813926142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76829 (or 76826 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 813926142 is about 28529.3908452319. The cubic root of 813926142 is about 933.6734281279.

The spelling of 813926142 in words is "eight hundred thirteen million, nine hundred twenty-six thousand, one hundred forty-two".