7513138168 has 32 divisors (see below), whose sum is σ = 14928928560. Its totient is φ = 3532480000.

The previous prime is 7513138159. The next prime is 7513138169. The reversal of 7513138168 is 8618313157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7513138169) 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, 134418 + ... + 181918.

Almost surely, 2^7513138168 is an apocalyptic number.

It is an amenable number.

7513138168 is a deficient number, since it is larger than the sum of its proper divisors (7415790392).

7513138168 is a wasteful number, since it uses less digits than its factorization.

7513138168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48687 (or 48683 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 7513138168 is about 86678.3604367318. The cubic root of 7513138168 is about 1958.5761357974.

The spelling of 7513138168 in words is "seven billion, five hundred thirteen million, one hundred thirty-eight thousand, one hundred sixty-eight".