7135231 has 8 divisors (see below), whose sum is σ = 7392384. Its totient is φ = 6882720.

The previous prime is 7135229. The next prime is 7135237. The reversal of 7135231 is 1325317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7135231 - 2¹ = 7135229 is a prime.

It is a super-2 number, since 2×7135231² = 101823042846722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (924048).

Almost surely, 2^7135231 is an apocalyptic number.

7135231 is a deficient number, since it is larger than the sum of its proper divisors (257153).

7135231 is a wasteful number, since it uses less digits than its factorization.

7135231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its digits is 630, while the sum is 22.

The square root of 7135231 is about 2671.1853174200. The cubic root of 7135231 is about 192.5171154738.

The spelling of 7135231 in words is "seven million, one hundred thirty-five thousand, two hundred thirty-one".