7138123627745 has 16 divisors (see below), whose sum is σ = 9368474506560. Its totient is φ = 5178017217600.

The previous prime is 7138123627721. The next prime is 7138123627751. The reversal of 7138123627745 is 5477263218317.

It is not a de Polignac number, because 7138123627745 - 2⁶ = 7138123627681 is a prime.

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, 166796171 + ... + 166838960.

It is an arithmetic number, because the mean of its divisors is an integer number (585529656660).

Almost surely, 2^{7138123627745} is an apocalyptic number.

It is an amenable number.

7138123627745 is a deficient number, since it is larger than the sum of its proper divisors (2230350878815).

7138123627745 is a wasteful number, since it uses less digits than its factorization.

7138123627745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333635536.

The product of its digits is 11854080, while the sum is 56.

The spelling of 7138123627745 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, six hundred twenty-seven thousand, seven hundred forty-five".