133144123424 has 48 divisors (see below), whose sum is σ = 286267141440. Its totient is φ = 60585611520.

The previous prime is 133144123393. The next prime is 133144123547. The reversal of 133144123424 is 424321441331.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224394 + ... + 2283465.

It is an arithmetic number, because the mean of its divisors is an integer number (5963898780).

Almost surely, 2^133144123424 is an apocalyptic number.

It is an amenable number.

133144123424 is an abundant number, since it is smaller than the sum of its proper divisors (153123018016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133144123424 is a wasteful number, since it uses less digits than its factorization.

133144123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507953 (or 4507945 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 133144123424 its reverse (424321441331), we get a palindrome (557465564755).

The spelling of 133144123424 in words is "one hundred thirty-three billion, one hundred forty-four million, one hundred twenty-three thousand, four hundred twenty-four".