7313003136 has 128 divisors (see below), whose sum is σ = 21616574400. Its totient is φ = 2433936384.

The previous prime is 7313003083. The next prime is 7313003147. The reversal of 7313003136 is 6313003137.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×7313003136³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3133426 + ... + 3135758.

Almost surely, 2^7313003136 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 7313003136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10808287200).

7313003136 is an abundant number, since it is smaller than the sum of its proper divisors (14303571264).

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

7313003136 is a wasteful number, since it uses less digits than its factorization.

7313003136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 7313003136 is about 85516.0986949241. The cubic root of 7313003136 is about 1941.0285345618.

Subtracting from 7313003136 its reverse (6313003137), we obtain a palindrome (999999999).

The spelling of 7313003136 in words is "seven billion, three hundred thirteen million, three thousand, one hundred thirty-six".