133319999999897 has 16 divisors (see below), whose sum is σ = 137834319168000. Its totient is φ = 128819064241920.

The previous prime is 133319999999891. The next prime is 133319999999981. The reversal of 133319999999897 is 798999999913331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133319999999897 - 2⁴ = 133319999999881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133319999999891) 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, 286218854 + ... + 286684272.

It is an arithmetic number, because the mean of its divisors is an integer number (8614644948000).

Almost surely, 2^{133319999999897} is an apocalyptic number.

It is an amenable number.

133319999999897 is a deficient number, since it is larger than the sum of its proper divisors (4514319168103).

133319999999897 is a wasteful number, since it uses less digits than its factorization.

133319999999897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479776.

The product of its digits is 65086642152, while the sum is 98.

The spelling of 133319999999897 in words is "one hundred thirty-three trillion, three hundred nineteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-seven".