135231254 has 8 divisors (see below), whose sum is σ = 203968128. Its totient is φ = 67241880.

The previous prime is 135231233. The next prime is 135231287. The reversal of 135231254 is 452132531.

It is a happy number.

135231254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186422 + ... + 187145.

It is an arithmetic number, because the mean of its divisors is an integer number (25496016).

Almost surely, 2^135231254 is an apocalyptic number.

135231254 is a deficient number, since it is larger than the sum of its proper divisors (68736874).

135231254 is a wasteful number, since it uses less digits than its factorization.

135231254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373750.

The product of its digits is 3600, while the sum is 26.

The square root of 135231254 is about 11628.8973681945. The cubic root of 135231254 is about 513.2855345198.

Adding to 135231254 its reverse (452132531), we get a palindrome (587363785).

The spelling of 135231254 in words is "one hundred thirty-five million, two hundred thirty-one thousand, two hundred fifty-four".