133642380065 has 16 divisors (see below), whose sum is σ = 163879891200. Its totient is φ = 104577239040.

The previous prime is 133642380037. The next prime is 133642380097. The reversal of 133642380065 is 560083246331.

It is not a de Polignac number, because 133642380065 - 2¹² = 133642375969 is a prime.

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, 231905 + ... + 566625.

It is an arithmetic number, because the mean of its divisors is an integer number (10242493200).

Almost surely, 2^133642380065 is an apocalyptic number.

It is an amenable number.

133642380065 is a deficient number, since it is larger than the sum of its proper divisors (30237511135).

133642380065 is a wasteful number, since it uses less digits than its factorization.

133642380065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336472.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 133642380065 in words is "one hundred thirty-three billion, six hundred forty-two million, three hundred eighty thousand, sixty-five".