133354990081 has 16 divisors (see below), whose sum is σ = 140585897088. Its totient is φ = 126250185600.

The previous prime is 133354990049. The next prime is 133354990123. The reversal of 133354990081 is 180099453331.

It is a cyclic number.

It is not a de Polignac number, because 133354990081 - 2⁵ = 133354990049 is a prime.

It is a super-2 number, since 2×133354990081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133354970081) 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, 802485 + ... + 954301.

It is an arithmetic number, because the mean of its divisors is an integer number (8786618568).

Almost surely, 2^133354990081 is an apocalyptic number.

It is an amenable number.

133354990081 is a deficient number, since it is larger than the sum of its proper divisors (7230907007).

133354990081 is a wasteful number, since it uses less digits than its factorization.

133354990081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152232.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 133354990081 in words is "one hundred thirty-three billion, three hundred fifty-four million, nine hundred ninety thousand, eighty-one".