135304155221001 has 16 divisors (see below), whose sum is σ = 194283099400320. Its totient is φ = 83264005584000.

The previous prime is 135304155220987. The next prime is 135304155221149. The reversal of 135304155221001 is 100122551403531.

It is not a de Polignac number, because 135304155221001 - 2²² = 135304151026697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135304155220001) 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, 64105501 + ... + 66182501.

It is an arithmetic number, because the mean of its divisors is an integer number (12142693712520).

Almost surely, 2^{135304155221001} is an apocalyptic number.

It is an amenable number.

135304155221001 is a deficient number, since it is larger than the sum of its proper divisors (58978944179319).

135304155221001 is a wasteful number, since it uses less digits than its factorization.

135304155221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747376.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 135304155221001 in words is "one hundred thirty-five trillion, three hundred four billion, one hundred fifty-five million, two hundred twenty-one thousand, one".