135410231 has 4 divisors (see below), whose sum is σ = 147720264. Its totient is φ = 123100200.

The previous prime is 135410227. The next prime is 135410239. The reversal of 135410231 is 132014531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135410231 - 2² = 135410227 is a prime.

It is a super-2 number, since 2×135410231² = 36671861318946722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135410239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6155000 + ... + 6155021.

It is an arithmetic number, because the mean of its divisors is an integer number (36930066).

Almost surely, 2^135410231 is an apocalyptic number.

135410231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135410231 is a deficient number, since it is larger than the sum of its proper divisors (12310033).

135410231 is a wasteful number, since it uses less digits than its factorization.

135410231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310032.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135410231 is about 11636.5901792578. The cubic root of 135410231 is about 513.5118771839.

Adding to 135410231 its reverse (132014531), we get a palindrome (267424762).

The spelling of 135410231 in words is "one hundred thirty-five million, four hundred ten thousand, two hundred thirty-one".