133253446 has 8 divisors (see below), whose sum is σ = 211637880. Its totient is φ = 62707488.

The previous prime is 133253443. The next prime is 133253453. The reversal of 133253446 is 644352331.

133253446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133253443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959576 + ... + 1959643.

It is an arithmetic number, because the mean of its divisors is an integer number (26454735).

Almost surely, 2^133253446 is an apocalyptic number.

133253446 is a deficient number, since it is larger than the sum of its proper divisors (78384434).

133253446 is a wasteful number, since it uses less digits than its factorization.

133253446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919238.

The product of its digits is 25920, while the sum is 31.

The square root of 133253446 is about 11543.5456424792. The cubic root of 133253446 is about 510.7709038497.

The spelling of 133253446 in words is "one hundred thirty-three million, two hundred fifty-three thousand, four hundred forty-six".