135654791 has 16 divisors (see below), whose sum is σ = 142813440. Its totient is φ = 128701440.

The previous prime is 135654787. The next prime is 135654821. The reversal of 135654791 is 197456531.

135654791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 135654791 - 2² = 135654787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135654731) 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, 592265 + ... + 592493.

It is an arithmetic number, because the mean of its divisors is an integer number (8925840).

Almost surely, 2^135654791 is an apocalyptic number.

135654791 is a deficient number, since it is larger than the sum of its proper divisors (7158649).

135654791 is a wasteful number, since it uses less digits than its factorization.

With its successor (135654792) it forms an eRAP, since the sums of their prime factors are consecutive (554 and 555).

135654791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its digits is 113400, while the sum is 41.

The square root of 135654791 is about 11647.0936718136. The cubic root of 135654791 is about 513.8208369398.

The spelling of 135654791 in words is "one hundred thirty-five million, six hundred fifty-four thousand, seven hundred ninety-one".