1345618804131 has 24 divisors (see below), whose sum is σ = 2317918936320. Its totient is φ = 735493507056.

The previous prime is 1345618804097. The next prime is 1345618804207. The reversal of 1345618804131 is 1314088165431.

1345618804131 is a `hidden beast` number, since 1 + 3 + 4 + 56 + 188 + 0 + 413 + 1 = 666.

It is not a de Polignac number, because 1345618804131 - 2⁷ = 1345618804003 is a prime.

It is a super-2 number, since 2×1345618804131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345618804031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464325261 + ... + 464328158.

It is an arithmetic number, because the mean of its divisors is an integer number (96579955680).

Almost surely, 2^{1345618804131} is an apocalyptic number.

1345618804131 is a deficient number, since it is larger than the sum of its proper divisors (972300132189).

1345618804131 is a wasteful number, since it uses less digits than its factorization.

1345618804131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928653455 (or 928653452 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1345618804131 in words is "one trillion, three hundred forty-five billion, six hundred eighteen million, eight hundred four thousand, one hundred thirty-one".