133123524 has 24 divisors (see below), whose sum is σ = 310896768. Its totient is φ = 44335200.

The previous prime is 133123429. The next prime is 133123531. The reversal of 133123524 is 425321331.

It is a junction number, because it is equal to n+sod(n) for n = 133123494 and 133123503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (12954032).

Almost surely, 2^133123524 is an apocalyptic number.

It is an amenable number.

133123524 is an abundant number, since it is smaller than the sum of its proper divisors (177773244).

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

133123524 is a wasteful number, since it uses less digits than its factorization.

133123524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835 (or 9833 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 133123524 is about 11537.9167963719. The cubic root of 133123524 is about 510.6048494670.

Adding to 133123524 its reverse (425321331), we get a palindrome (558444855).

It can be divided in two parts, 13312 and 3524, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 133123524 in words is "one hundred thirty-three million, one hundred twenty-three thousand, five hundred twenty-four".