133424143444 has 12 divisors (see below), whose sum is σ = 233513781984. Its totient is φ = 66705920024.

The previous prime is 133424143427. The next prime is 133424143453. The reversal of 133424143444 is 444341424331.

It is a happy number.

It is a super-2 number, since 2×133424143444² (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 in 3 ways as a sum of consecutive naturals, for example, 1488952 + ... + 1576015.

It is an arithmetic number, because the mean of its divisors is an integer number (19459481832).

Almost surely, 2^133424143444 is an apocalyptic number.

It is an amenable number.

133424143444 is a deficient number, since it is larger than the sum of its proper divisors (100089638540).

133424143444 is a wasteful number, since it uses less digits than its factorization.

133424143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075854 (or 3075852 counting only the distinct ones).

The product of its digits is 221184, while the sum is 37.

Adding to 133424143444 its reverse (444341424331), we get a palindrome (577765567775).

The spelling of 133424143444 in words is "one hundred thirty-three billion, four hundred twenty-four million, one hundred forty-three thousand, four hundred forty-four".