133128291155 has 16 divisors (see below), whose sum is σ = 165549014784. Its totient is φ = 102665994240.

The previous prime is 133128291137. The next prime is 133128291181. The reversal of 133128291155 is 551192821331.

It is not a de Polignac number, because 133128291155 - 2¹⁶ = 133128225619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631162 + ... + 1710831.

It is an arithmetic number, because the mean of its divisors is an integer number (10346813424).

Almost surely, 2^133128291155 is an apocalyptic number.

133128291155 is a deficient number, since it is larger than the sum of its proper divisors (32420723629).

133128291155 is a wasteful number, since it uses less digits than its factorization.

133128291155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342286.

The product of its digits is 64800, while the sum is 41.

The spelling of 133128291155 in words is "one hundred thirty-three billion, one hundred twenty-eight million, two hundred ninety-one thousand, one hundred fifty-five".