813702142702 has 4 divisors (see below), whose sum is σ = 1220553214056. Its totient is φ = 406851071350.

The previous prime is 813702142681. The next prime is 813702142739. The reversal of 813702142702 is 207241207318.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×813702142702² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203425535674 + ... + 203425535677.

It is an arithmetic number, because the mean of its divisors is an integer number (305138303514).

Almost surely, 2^813702142702 is an apocalyptic number.

813702142702 is a deficient number, since it is larger than the sum of its proper divisors (406851071354).

813702142702 is a wasteful number, since it uses less digits than its factorization.

813702142702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406851071353.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 813702142702 in words is "eight hundred thirteen billion, seven hundred two million, one hundred forty-two thousand, seven hundred two".