133493691887424 has 168 divisors, whose sum is σ = 417436761324960. Its totient is φ = 40451069260800.

The previous prime is 133493691887351. The next prime is 133493691887441. The reversal of 133493691887424 is 424788196394331.

133493691887424 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 9 + 36 + 91 + 8 + 87 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168973522 + ... + 169761710.

Almost surely, 2^{133493691887424} is an apocalyptic number.

It is an amenable number.

133493691887424 is an abundant number, since it is smaller than the sum of its proper divisors (283943069437536).

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

133493691887424 is a wasteful number, since it uses less digits than its factorization.

133493691887424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814949 (or 814936 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 72.

The spelling of 133493691887424 in words is "one hundred thirty-three trillion, four hundred ninety-three billion, six hundred ninety-one million, eight hundred eighty-seven thousand, four hundred twenty-four".