133111444342 has 4 divisors (see below), whose sum is σ = 199667166516. Its totient is φ = 66555722170.

The previous prime is 133111444247. The next prime is 133111444351. The reversal of 133111444342 is 243444111331.

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

It is a super-2 number, since 2×133111444342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33277861084 + ... + 33277861087.

It is an arithmetic number, because the mean of its divisors is an integer number (49916791629).

Almost surely, 2^133111444342 is an apocalyptic number.

133111444342 is a deficient number, since it is larger than the sum of its proper divisors (66555722174).

133111444342 is an equidigital number, since it uses as much as digits as its factorization.

133111444342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66555722173.

The product of its digits is 13824, while the sum is 31.

Adding to 133111444342 its reverse (243444111331), we get a palindrome (376555555673).

The spelling of 133111444342 in words is "one hundred thirty-three billion, one hundred eleven million, four hundred forty-four thousand, three hundred forty-two".