135203254 has 8 divisors (see below), whose sum is σ = 208286208. Its totient is φ = 65774520.

The previous prime is 135203251. The next prime is 135203293. The reversal of 135203254 is 452302531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135203251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913462 + ... + 913609.

It is an arithmetic number, because the mean of its divisors is an integer number (26035776).

Almost surely, 2^135203254 is an apocalyptic number.

135203254 is a deficient number, since it is larger than the sum of its proper divisors (73082954).

135203254 is a wasteful number, since it uses less digits than its factorization.

135203254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827110.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135203254 is about 11627.6934084108. The cubic root of 135203254 is about 513.2501063512.

Adding to 135203254 its reverse (452302531), we get a palindrome (587505785).

It can be divided in two parts, 13520325 and 4, that added together give a square (13520329 = 3677²).

The spelling of 135203254 in words is "one hundred thirty-five million, two hundred three thousand, two hundred fifty-four".