135431230 has 16 divisors (see below), whose sum is σ = 265937904. Its totient is φ = 49247680.

The previous prime is 135431227. The next prime is 135431237. The reversal of 135431230 is 32134531.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135431237) 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, 615487 + ... + 615706.

It is an arithmetic number, because the mean of its divisors is an integer number (16621119).

Almost surely, 2^135431230 is an apocalyptic number.

135431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135431230 is a deficient number, since it is larger than the sum of its proper divisors (130506674).

135431230 is a wasteful number, since it uses less digits than its factorization.

135431230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231211.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 135431230 is about 11637.4924274949. The cubic root of 135431230 is about 513.5384204233.

Adding to 135431230 its reverse (32134531), we get a palindrome (167565761).

The spelling of 135431230 in words is "one hundred thirty-five million, four hundred thirty-one thousand, two hundred thirty".