7138142374538 has 32 divisors (see below), whose sum is σ = 12984733859328. Its totient is φ = 2873004998400.

The previous prime is 7138142374457. The next prime is 7138142374543. The reversal of 7138142374538 is 8354732418317.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32419778 + ... + 32639213.

It is an arithmetic number, because the mean of its divisors is an integer number (405772933104).

Almost surely, 2^{7138142374538} is an apocalyptic number.

7138142374538 is a deficient number, since it is larger than the sum of its proper divisors (5846591484790).

7138142374538 is a wasteful number, since it uses less digits than its factorization.

7138142374538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65059478.

The product of its digits is 13547520, while the sum is 56.

The spelling of 7138142374538 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-two million, three hundred seventy-four thousand, five hundred thirty-eight".