133050913 has 2 divisors, whose sum is σ = 133050914. Its totient is φ = 133050912.

The previous prime is 133050893. The next prime is 133050961. The reversal of 133050913 is 319050331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 58798224 = 8617^2 + 7668^2 .

It is a cyclic number.

It is not a de Polignac number, because 133050913 - 2¹⁷ = 132919841 is a prime.

It is not a weakly prime, because it can be changed into another prime (133050013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66525456 + 66525457.

It is an arithmetic number, because the mean of its divisors is an integer number (66525457).

Almost surely, 2^133050913 is an apocalyptic number.

It is an amenable number.

133050913 is a deficient number, since it is larger than the sum of its proper divisors (1).

133050913 is an equidigital number, since it uses as much as digits as its factorization.

133050913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 25.

The square root of 133050913 is about 11534.7697419584. The cubic root of 133050913 is about 510.5119976792.

The spelling of 133050913 in words is "one hundred thirty-three million, fifty thousand, nine hundred thirteen".