135511254 has 12 divisors (see below), whose sum is σ = 293607756. Its totient is φ = 45170412.

The previous prime is 135511241. The next prime is 135511289. The reversal of 135511254 is 452115531.

135511254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3764184 + ... + 3764219.

It is an arithmetic number, because the mean of its divisors is an integer number (24467313).

Almost surely, 2^135511254 is an apocalyptic number.

135511254 is an abundant number, since it is smaller than the sum of its proper divisors (158096502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135511254 is a wasteful number, since it uses less digits than its factorization.

135511254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528411 (or 7528408 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 135511254 is about 11640.9301174777. The cubic root of 135511254 is about 513.6395475341.

Adding to 135511254 its reverse (452115531), we get a palindrome (587626785).

The spelling of 135511254 in words is "one hundred thirty-five million, five hundred eleven thousand, two hundred fifty-four".