218272409132139 has 48 divisors (see below), whose sum is σ = 321125035271040. Its totient is φ = 142841262170880.

The previous prime is 218272409132093. The next prime is 218272409132143. The reversal of 218272409132139 is 931231904272812.

218272409132139 is a `hidden beast` number, since 2 + 1 + 8 + 2 + 7 + 2 + 409 + 13 + 213 + 9 = 666.

It is not a de Polignac number, because 218272409132139 - 2¹² = 218272409128043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218272409132179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455024659 + ... + 455504099.

It is an arithmetic number, because the mean of its divisors is an integer number (6690104901480).

Almost surely, 2^{218272409132139} is an apocalyptic number.

218272409132139 is a deficient number, since it is larger than the sum of its proper divisors (102852626138901).

218272409132139 is a wasteful number, since it uses less digits than its factorization.

218272409132139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483432 (or 483429 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 218272409132139 in words is "two hundred eighteen trillion, two hundred seventy-two billion, four hundred nine million, one hundred thirty-two thousand, one hundred thirty-nine".