133522719 has 16 divisors (see below), whose sum is σ = 196677120. Its totient is φ = 79896960.

The previous prime is 133522703. The next prime is 133522729. The reversal of 133522719 is 917225331.

It is not a de Polignac number, because 133522719 - 2⁴ = 133522703 is a prime.

It is a super-2 number, since 2×133522719² = 35656632978305922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 133522719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133522729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23002 + ... + 28215.

It is an arithmetic number, because the mean of its divisors is an integer number (12292320).

Almost surely, 2^133522719 is an apocalyptic number.

133522719 is a deficient number, since it is larger than the sum of its proper divisors (63154401).

133522719 is a wasteful number, since it uses less digits than its factorization.

133522719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51310.

The product of its digits is 11340, while the sum is 33.

The square root of 133522719 is about 11555.2031137492. The cubic root of 133522719 is about 511.1147205357.

The spelling of 133522719 in words is "one hundred thirty-three million, five hundred twenty-two thousand, seven hundred nineteen".