813692745142 has 16 divisors (see below), whose sum is σ = 1292352712560. Its totient is φ = 382909143808.

The previous prime is 813692745083. The next prime is 813692745149. The reversal of 813692745142 is 241547296318.

It is a self number, because there is not a number n which added to its sum of digits gives 813692745142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813692745149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055034 + ... + 4250962.

It is an arithmetic number, because the mean of its divisors is an integer number (80772044535).

Almost surely, 2^813692745142 is an apocalyptic number.

813692745142 is a deficient number, since it is larger than the sum of its proper divisors (478659967418).

813692745142 is a wasteful number, since it uses less digits than its factorization.

813692745142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318095.

The product of its digits is 2903040, while the sum is 52.

The spelling of 813692745142 in words is "eight hundred thirteen billion, six hundred ninety-two million, seven hundred forty-five thousand, one hundred forty-two".