135114231 has 8 divisors (see below), whose sum is σ = 205888384. Its totient is φ = 77208120.

The previous prime is 135114227. The next prime is 135114241. The reversal of 135114231 is 132411531.

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

It is not a de Polignac number, because 135114231 - 2² = 135114227 is a prime.

It is a super-2 number, since 2×135114231² = 36511710837442722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6434011 = 135114231 / (1 + 3 + 5 + 1 + 1 + 4 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135114198 and 135114207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135114241) 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, 3216985 + ... + 3217026.

It is an arithmetic number, because the mean of its divisors is an integer number (25736048).

Almost surely, 2^135114231 is an apocalyptic number.

135114231 is a deficient number, since it is larger than the sum of its proper divisors (70774153).

135114231 is an equidigital number, since it uses as much as digits as its factorization.

135114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434021.

The product of its digits is 360, while the sum is 21.

The square root of 135114231 is about 11623.8647187586. The cubic root of 135114231 is about 513.1374337767.

Adding to 135114231 its reverse (132411531), we get a palindrome (267525762).

The spelling of 135114231 in words is "one hundred thirty-five million, one hundred fourteen thousand, two hundred thirty-one".