7513138 has 16 divisors (see below), whose sum is σ = 11591424. Its totient is φ = 3650560.

The previous prime is 7513123. The next prime is 7513139. The reversal of 7513138 is 8313157.

It is not an unprimeable number, because it can be changed into a prime (7513139) 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, 24003 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (724464).

Almost surely, 2^7513138 is an apocalyptic number.

7513138 is a deficient number, since it is larger than the sum of its proper divisors (4078286).

7513138 is a wasteful number, since it uses less digits than its factorization.

7513138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 2520, while the sum is 28.

The square root of 7513138 is about 2741.0103976454. The cubic root of 7513138 is about 195.8576121199.

The spelling of 7513138 in words is "seven million, five hundred thirteen thousand, one hundred thirty-eight".