135029621753 has 16 divisors (see below), whose sum is σ = 145872207936. Its totient is φ = 124252674240.

The previous prime is 135029621731. The next prime is 135029621773. The reversal of 135029621753 is 357126920531.

It is a cyclic number.

It is not a de Polignac number, because 135029621753 - 2⁶ = 135029621689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135029621773) 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, 6430850 + ... + 6451812.

It is an arithmetic number, because the mean of its divisors is an integer number (9117012996).

Almost surely, 2^135029621753 is an apocalyptic number.

135029621753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135029621753 is a deficient number, since it is larger than the sum of its proper divisors (10842586183).

135029621753 is a wasteful number, since it uses less digits than its factorization.

135029621753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22504.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 135029621753 in words is "one hundred thirty-five billion, twenty-nine million, six hundred twenty-one thousand, seven hundred fifty-three".