2138061093408 has 120 divisors (see below), whose sum is σ = 6618924663120. Its totient is φ = 675177171840.

The previous prime is 2138061093383. The next prime is 2138061093431. The reversal of 2138061093408 is 8043901608312.

2138061093408 is a `hidden beast` number, since 2 + 138 + 0 + 6 + 109 + 3 + 408 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21657838 + ... + 21756333.

It is an arithmetic number, because the mean of its divisors is an integer number (55157705526).

Almost surely, 2^{2138061093408} is an apocalyptic number.

It is an amenable number.

2138061093408 is an abundant number, since it is smaller than the sum of its proper divisors (4480863569712).

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

2138061093408 is a wasteful number, since it uses less digits than its factorization.

2138061093408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43414212 (or 43414195 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 2138061093408 in words is "two trillion, one hundred thirty-eight billion, sixty-one million, ninety-three thousand, four hundred eight".