133448911 has 2 divisors, whose sum is σ = 133448912. Its totient is φ = 133448910.

The previous prime is 133448873. The next prime is 133448927. The reversal of 133448911 is 119844331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133448911 - 2¹³ = 133440719 is a prime.

It is a super-2 number, since 2×133448911² = 35617223694171842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133448941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66724455 + 66724456.

It is an arithmetic number, because the mean of its divisors is an integer number (66724456).

Almost surely, 2^133448911 is an apocalyptic number.

133448911 is a deficient number, since it is larger than the sum of its proper divisors (1).

133448911 is an equidigital number, since it uses as much as digits as its factorization.

133448911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 133448911 is about 11552.0089594841. The cubic root of 133448911 is about 511.0205260577.

The spelling of 133448911 in words is "one hundred thirty-three million, four hundred forty-eight thousand, nine hundred eleven".