135631430 has 32 divisors (see below), whose sum is σ = 268939008. Its totient is φ = 48837600.

The previous prime is 135631393. The next prime is 135631453. The reversal of 135631430 is 34136531.

It is a self number, because there is not a number n which added to its sum of digits gives 135631430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5345 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (8404344).

Almost surely, 2^135631430 is an apocalyptic number.

135631430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135631430 is a deficient number, since it is larger than the sum of its proper divisors (133307578).

135631430 is a wasteful number, since it uses less digits than its factorization.

135631430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 135631430 is about 11646.0907604226. The cubic root of 135631430 is about 513.7913403587.

Adding to 135631430 its reverse (34136531), we get a palindrome (169767961).

The spelling of 135631430 in words is "one hundred thirty-five million, six hundred thirty-one thousand, four hundred thirty".