7135389 has 6 divisors (see below), whose sum is σ = 10306686. Its totient is φ = 4756920.

The previous prime is 7135379. The next prime is 7135391. The reversal of 7135389 is 9835317.

7135389 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 22500 = 2667^2 + 150^2 .

It is not a de Polignac number, because 7135389 - 2⁸ = 7135133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396402 + ... + 396419.

It is an arithmetic number, because the mean of its divisors is an integer number (1717781).

Almost surely, 2^7135389 is an apocalyptic number.

It is an amenable number.

7135389 is a deficient number, since it is larger than the sum of its proper divisors (3171297).

7135389 is a wasteful number, since it uses less digits than its factorization.

7135389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792827 (or 792824 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7135389 is about 2671.2148921418. The cubic root of 7135389 is about 192.5185364733.

The spelling of 7135389 in words is "seven million, one hundred thirty-five thousand, three hundred eighty-nine".