7138133340 has 96 divisors (see below), whose sum is σ = 21546577920. Its totient is φ = 1755254016.

The previous prime is 7138133339. The next prime is 7138133363. The reversal of 7138133340 is 433318317.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843651 + ... + 852069.

It is an arithmetic number, because the mean of its divisors is an integer number (224443520).

Almost surely, 2^7138133340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7138133340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773288960).

7138133340 is an abundant number, since it is smaller than the sum of its proper divisors (14408444580).

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

7138133340 is a wasteful number, since it uses less digits than its factorization.

7138133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9529 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7138133340 is about 84487.4744562767. The cubic root of 7138133340 is about 1925.4321481016.

The spelling of 7138133340 in words is "seven billion, one hundred thirty-eight million, one hundred thirty-three thousand, three hundred forty".