133042232042 has 4 divisors (see below), whose sum is σ = 199563348066. Its totient is φ = 66521116020.

The previous prime is 133042232023. The next prime is 133042232143. The reversal of 133042232042 is 240232240331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240232240331 = 26261 ⋅9147871.

It can be written as a sum of positive squares in only one way, i.e., 70691642641 + 62350589401 = 265879^2 + 249701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33260558009 + ... + 33260558012.

Almost surely, 2^133042232042 is an apocalyptic number.

133042232042 is a deficient number, since it is larger than the sum of its proper divisors (66521116024).

133042232042 is an equidigital number, since it uses as much as digits as its factorization.

133042232042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66521116023.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 133042232042 its reverse (240232240331), we get a palindrome (373274472373).

The spelling of 133042232042 in words is "one hundred thirty-three billion, forty-two million, two hundred thirty-two thousand, forty-two".