1357727321672 has 16 divisors (see below), whose sum is σ = 2553292854060. Its totient is φ = 676849227264.

The previous prime is 1357727321627. The next prime is 1357727321681. The reversal of 1357727321672 is 2761237277531.

It can be written as a sum of positive squares in 2 ways, for example, as 1167277124836 + 190450196836 = 1080406^2 + 436406^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251801333 + ... + 251806724.

Almost surely, 2^{1357727321672} is an apocalyptic number.

It is an amenable number.

1357727321672 is a deficient number, since it is larger than the sum of its proper divisors (1195565532388).

1357727321672 is a wasteful number, since it uses less digits than its factorization.

1357727321672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503608400 (or 503608396 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 53.

The spelling of 1357727321672 in words is "one trillion, three hundred fifty-seven billion, seven hundred twenty-seven million, three hundred twenty-one thousand, six hundred seventy-two".