135053040621 has 16 divisors (see below), whose sum is σ = 180257011200. Its totient is φ = 89942271408.

The previous prime is 135053040593. The next prime is 135053040631. The reversal of 135053040621 is 126040350531.

It is not a de Polignac number, because 135053040621 - 2²⁹ = 134516169709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135053040631) 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, 13862370 + ... + 13872108.

It is an arithmetic number, because the mean of its divisors is an integer number (11266063200).

Almost surely, 2^135053040621 is an apocalyptic number.

It is an amenable number.

135053040621 is a deficient number, since it is larger than the sum of its proper divisors (45203970579).

135053040621 is a wasteful number, since it uses less digits than its factorization.

135053040621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 135053040621 in words is "one hundred thirty-five billion, fifty-three million, forty thousand, six hundred twenty-one".