1371545131356 has 48 divisors (see below), whose sum is σ = 3558629625600. Its totient is φ = 456825326256.

The previous prime is 1371545131343. The next prime is 1371545131403. The reversal of 1371545131356 is 6531315451731.

1371545131356 is a `hidden beast` number, since 1 + 3 + 71 + 5 + 4 + 513 + 13 + 56 = 666.

It is a super-2 number, since 2×1371545131356² (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 in 15 ways as a sum of consecutive naturals, for example, 4810576 + ... + 5087703.

It is an arithmetic number, because the mean of its divisors is an integer number (74138117200).

Almost surely, 2^{1371545131356} is an apocalyptic number.

It is an amenable number.

1371545131356 is an abundant number, since it is smaller than the sum of its proper divisors (2187084494244).

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

1371545131356 is a wasteful number, since it uses less digits than its factorization.

1371545131356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899575 (or 9899567 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The spelling of 1371545131356 in words is "one trillion, three hundred seventy-one billion, five hundred forty-five million, one hundred thirty-one thousand, three hundred fifty-six".