7138402537488 has 20 divisors (see below), whose sum is σ = 18440873221968. Its totient is φ = 2379467512480.

The previous prime is 7138402537481. The next prime is 7138402537493. The reversal of 7138402537488 is 8847352048317.

It is not an unprimeable number, because it can be changed into a prime (7138402537481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74358359718 + ... + 74358359813.

Almost surely, 2^{7138402537488} is an apocalyptic number.

It is an amenable number.

7138402537488 is an abundant number, since it is smaller than the sum of its proper divisors (11302470684480).

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

7138402537488 is a wasteful number, since it uses less digits than its factorization.

7138402537488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148716719542 (or 148716719536 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 7138402537488 in words is "seven trillion, one hundred thirty-eight billion, four hundred two million, five hundred thirty-seven thousand, four hundred eighty-eight".