133104442 has 4 divisors (see below), whose sum is σ = 199656666. Its totient is φ = 66552220.

The previous prime is 133104353. The next prime is 133104451. The reversal of 133104442 is 244401331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 8357881 = 11169^2 + 2891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33276109 + ... + 33276112.

Almost surely, 2^133104442 is an apocalyptic number.

133104442 is a deficient number, since it is larger than the sum of its proper divisors (66552224).

133104442 is an equidigital number, since it uses as much as digits as its factorization.

133104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66552223.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 133104442 is about 11537.0898410301. The cubic root of 133104442 is about 510.5804515068.

Adding to 133104442 its reverse (244401331), we get a palindrome (377505773).

The spelling of 133104442 in words is "one hundred thirty-three million, one hundred four thousand, four hundred forty-two".