1356773321388 has 48 divisors (see below), whose sum is σ = 3174465056000. Its totient is φ = 451021867200.

The previous prime is 1356773321369. The next prime is 1356773321441. The reversal of 1356773321388 is 8831233776531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8187393 + ... + 8351463.

Almost surely, 2^{1356773321388} is an apocalyptic number.

It is an amenable number.

1356773321388 is an abundant number, since it is smaller than the sum of its proper divisors (1817691734612).

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

1356773321388 is a wasteful number, since it uses less digits than its factorization.

1356773321388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165958 (or 165956 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 1356773321388 in words is "one trillion, three hundred fifty-six billion, seven hundred seventy-three million, three hundred twenty-one thousand, three hundred eighty-eight".