1392219939656 has 64 divisors (see below), whose sum is σ = 3401804407680. Its totient is φ = 518370186240.

The previous prime is 1392219939647. The next prime is 1392219939659. The reversal of 1392219939656 is 6569399122931.

It is a junction number, because it is equal to n+sod(n) for n = 1392219939592 and 1392219939601.

It is not an unprimeable number, because it can be changed into a prime (1392219939659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56234390 + ... + 56259141.

It is an arithmetic number, because the mean of its divisors is an integer number (53153193870).

Almost surely, 2^{1392219939656} is an apocalyptic number.

It is an amenable number.

1392219939656 is an abundant number, since it is smaller than the sum of its proper divisors (2009584468024).

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

1392219939656 is a wasteful number, since it uses less digits than its factorization.

1392219939656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112493574 (or 112493570 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 65.

The spelling of 1392219939656 in words is "one trillion, three hundred ninety-two billion, two hundred nineteen million, nine hundred thirty-nine thousand, six hundred fifty-six".