7138352787247 has 8 divisors (see below), whose sum is σ = 7788256272720. Its totient is φ = 6488609688960.

The previous prime is 7138352787217. The next prime is 7138352787311. The reversal of 7138352787247 is 7427872538317.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7138352787247 - 2¹⁵ = 7138352754479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138352787217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40003722 + ... + 40181767.

It is an arithmetic number, because the mean of its divisors is an integer number (973532034090).

Almost surely, 2^{7138352787247} is an apocalyptic number.

7138352787247 is a deficient number, since it is larger than the sum of its proper divisors (649903485473).

7138352787247 is a wasteful number, since it uses less digits than its factorization.

7138352787247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80193593.

The product of its digits is 110638080, while the sum is 64.

The spelling of 7138352787247 in words is "seven trillion, one hundred thirty-eight billion, three hundred fifty-two million, seven hundred eighty-seven thousand, two hundred forty-seven".