133915253 has 2 divisors, whose sum is σ = 133915254. Its totient is φ = 133915252.

The previous prime is 133915231. The next prime is 133915289. The reversal of 133915253 is 352519331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90973444 + 42941809 = 9538^2 + 6553^2 .

It is a cyclic number.

It is not a de Polignac number, because 133915253 - 2¹⁰ = 133914229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133915213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66957626 + 66957627.

It is an arithmetic number, because the mean of its divisors is an integer number (66957627).

Almost surely, 2^133915253 is an apocalyptic number.

It is an amenable number.

133915253 is a deficient number, since it is larger than the sum of its proper divisors (1).

133915253 is an equidigital number, since it uses as much as digits as its factorization.

133915253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 32.

The square root of 133915253 is about 11572.1758109700. The cubic root of 133915253 is about 511.6150938599.

The spelling of 133915253 in words is "one hundred thirty-three million, nine hundred fifteen thousand, two hundred fifty-three".