133115141 has 2 divisors, whose sum is σ = 133115142. Its totient is φ = 133115140.

The previous prime is 133115123. The next prime is 133115149. The reversal of 133115141 is 141511331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94984516 + 38130625 = 9746^2 + 6175^2 .

It is a cyclic number.

It is not a de Polignac number, because 133115141 - 2⁶ = 133115077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133115149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66557570 + 66557571.

It is an arithmetic number, because the mean of its divisors is an integer number (66557571).

Almost surely, 2^133115141 is an apocalyptic number.

It is an amenable number.

133115141 is a deficient number, since it is larger than the sum of its proper divisors (1).

133115141 is an equidigital number, since it uses as much as digits as its factorization.

133115141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 20.

The square root of 133115141 is about 11537.5535101684. The cubic root of 133115141 is about 510.5941313756.

Adding to 133115141 its reverse (141511331), we get a palindrome (274626472).

The spelling of 133115141 in words is "one hundred thirty-three million, one hundred fifteen thousand, one hundred forty-one".