135154551 has 16 divisors (see below), whose sum is σ = 206415104. Its totient is φ = 77056704.

The previous prime is 135154517. The next prime is 135154561. The reversal of 135154551 is 155451531.

135154551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135154551 - 2⁷ = 135154423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135154511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2556 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (12900944).

Almost surely, 2^135154551 is an apocalyptic number.

135154551 is a deficient number, since it is larger than the sum of its proper divisors (71260553).

135154551 is a wasteful number, since it uses less digits than its factorization.

135154551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550.

The product of its digits is 7500, while the sum is 30.

The square root of 135154551 is about 11625.5989523121. The cubic root of 135154551 is about 513.1884711926.

The spelling of 135154551 in words is "one hundred thirty-five million, one hundred fifty-four thousand, five hundred fifty-one".