135144230 has 24 divisors (see below), whose sum is σ = 263414592. Its totient is φ = 49898784.

The previous prime is 135144157. The next prime is 135144253. The reversal of 135144230 is 32441531.

It is a junction number, because it is equal to n+sod(n) for n = 135144196 and 135144205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38294 + ... + 41673.

It is an arithmetic number, because the mean of its divisors is an integer number (10975608).

Almost surely, 2^135144230 is an apocalyptic number.

135144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135144230 is a deficient number, since it is larger than the sum of its proper divisors (128270362).

135144230 is a wasteful number, since it uses less digits than its factorization.

135144230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80000 (or 79987 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 135144230 is about 11625.1550527294. The cubic root of 135144230 is about 513.1754077454.

Adding to 135144230 its reverse (32441531), we get a palindrome (167585761).

The spelling of 135144230 in words is "one hundred thirty-five million, one hundred forty-four thousand, two hundred thirty".