133884719 has 2 divisors, whose sum is σ = 133884720. Its totient is φ = 133884718.

The previous prime is 133884683. The next prime is 133884739. The reversal of 133884719 is 917488331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133884719 - 2¹² = 133880623 is a prime.

It is a super-2 number, since 2×133884719² = 35850235963417922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133884719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133884739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66942359 + 66942360.

It is an arithmetic number, because the mean of its divisors is an integer number (66942360).

Almost surely, 2^133884719 is an apocalyptic number.

133884719 is a deficient number, since it is larger than the sum of its proper divisors (1).

133884719 is an equidigital number, since it uses as much as digits as its factorization.

133884719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 133884719 is about 11570.8564505831. The cubic root of 133884719 is about 511.5762064731.

The spelling of 133884719 in words is "one hundred thirty-three million, eight hundred eighty-four thousand, seven hundred nineteen".