133616101 has 2 divisors, whose sum is σ = 133616102. Its totient is φ = 133616100.

The previous prime is 133616069. The next prime is 133616111. The reversal of 133616101 is 101616331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123787876 + 9828225 = 11126^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 133616101 - 2⁵ = 133616069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133616111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66808050 + 66808051.

It is an arithmetic number, because the mean of its divisors is an integer number (66808051).

Almost surely, 2^133616101 is an apocalyptic number.

It is an amenable number.

133616101 is a deficient number, since it is larger than the sum of its proper divisors (1).

133616101 is an equidigital number, since it uses as much as digits as its factorization.

133616101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 133616101 is about 11559.2430980579. The cubic root of 133616101 is about 511.2338458120.

The spelling of 133616101 in words is "one hundred thirty-three million, six hundred sixteen thousand, one hundred one".