1138722940413 has 8 divisors (see below), whose sum is σ = 1686996948800. Its totient is φ = 759148626924.

The previous prime is 1138722940379. The next prime is 1138722940423. The reversal of 1138722940413 is 3140492278311.

1138722940413 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 7 + 229 + 4 + 0 + 413 = 666.

It is not a de Polignac number, because 1138722940413 - 2²⁰ = 1138721891837 is a prime.

It is a super-2 number, since 2×1138722940413² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138722940423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21087461833 + ... + 21087461886.

It is an arithmetic number, because the mean of its divisors is an integer number (210874618600).

Almost surely, 2^{1138722940413} is an apocalyptic number.

It is an amenable number.

1138722940413 is a deficient number, since it is larger than the sum of its proper divisors (548274008387).

1138722940413 is an equidigital number, since it uses as much as digits as its factorization.

1138722940413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42174923728 (or 42174923722 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 1138722940413 in words is "one trillion, one hundred thirty-eight billion, seven hundred twenty-two million, nine hundred forty thousand, four hundred thirteen".