133354970081 has 2 divisors, whose sum is σ = 133354970082. Its totient is φ = 133354970080.

The previous prime is 133354970057. The next prime is 133354970087. The reversal of 133354970081 is 180079453331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83010829456 + 50344140625 = 288116^2 + 224375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133354970081 is a prime.

It is a super-2 number, since 2×133354970081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133354970087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66677485040 + 66677485041.

It is an arithmetic number, because the mean of its divisors is an integer number (66677485041).

Almost surely, 2^133354970081 is an apocalyptic number.

It is an amenable number.

133354970081 is a deficient number, since it is larger than the sum of its proper divisors (1).

133354970081 is an equidigital number, since it uses as much as digits as its factorization.

133354970081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 133354970081 in words is "one hundred thirty-three billion, three hundred fifty-four million, nine hundred seventy thousand, eighty-one".