133005235142 has 16 divisors (see below), whose sum is σ = 215801116272. Its totient is φ = 61116601440.

The previous prime is 133005235133. The next prime is 133005235147. The reversal of 133005235142 is 241532500331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133005235147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261909 + ... + 11273712.

It is an arithmetic number, because the mean of its divisors is an integer number (13487569767).

Almost surely, 2^133005235142 is an apocalyptic number.

133005235142 is a deficient number, since it is larger than the sum of its proper divisors (82795881130).

133005235142 is a wasteful number, since it uses less digits than its factorization.

133005235142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22535863.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 133005235142 its reverse (241532500331), we get a palindrome (374537735473).

The spelling of 133005235142 in words is "one hundred thirty-three billion, five million, two hundred thirty-five thousand, one hundred forty-two".