133041542 has 4 divisors (see below), whose sum is σ = 199562316. Its totient is φ = 66520770.

The previous prime is 133041539. The next prime is 133041547. The reversal of 133041542 is 245140331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133041547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33260384 + ... + 33260387.

It is an arithmetic number, because the mean of its divisors is an integer number (49890579).

Almost surely, 2^133041542 is an apocalyptic number.

133041542 is a deficient number, since it is larger than the sum of its proper divisors (66520774).

133041542 is an equidigital number, since it uses as much as digits as its factorization.

133041542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66520773.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 133041542 is about 11534.3635281709. The cubic root of 133041542 is about 510.5000119911.

Adding to 133041542 its reverse (245140331), we get a palindrome (378181873).

The spelling of 133041542 in words is "one hundred thirty-three million, forty-one thousand, five hundred forty-two".