133114021 has 2 divisors, whose sum is σ = 133114022. Its totient is φ = 133114020.

The previous prime is 133114013. The next prime is 133114027. The reversal of 133114021 is 120411331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129732100 + 3381921 = 11390^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 133114021 - 2³ = 133114013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133113986 and 133114004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133114027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66557010 + 66557011.

It is an arithmetic number, because the mean of its divisors is an integer number (66557011).

Almost surely, 2^133114021 is an apocalyptic number.

It is an amenable number.

133114021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133114021 is an equidigital number, since it uses as much as digits as its factorization.

133114021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 133114021 is about 11537.5049729133. The cubic root of 133114021 is about 510.5926993646.

Adding to 133114021 its reverse (120411331), we get a palindrome (253525352).

The spelling of 133114021 in words is "one hundred thirty-three million, one hundred fourteen thousand, twenty-one".