2605030136138 has 8 divisors (see below), whose sum is σ = 4033595049600. Its totient is φ = 1260498452940.

The previous prime is 2605030136089. The next prime is 2605030136141. The reversal of 2605030136138 is 8316310305062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21008307488 + ... + 21008307611.

It is an arithmetic number, because the mean of its divisors is an integer number (504199381200).

Almost surely, 2^{2605030136138} is an apocalyptic number.

2605030136138 is a deficient number, since it is larger than the sum of its proper divisors (1428564913462).

2605030136138 is a wasteful number, since it uses less digits than its factorization.

2605030136138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42016615132.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 2605030136138 in words is "two trillion, six hundred five billion, thirty million, one hundred thirty-six thousand, one hundred thirty-eight".