133893552744 has 160 divisors (see below), whose sum is σ = 436688651520. Its totient is φ = 37533435264.

The previous prime is 133893552739. The next prime is 133893552773. The reversal of 133893552744 is 447255398331.

133893552744 is a `hidden beast` number, since 1 + 3 + 3 + 89 + 3 + 552 + 7 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38064 + ... + 518879.

It is an arithmetic number, because the mean of its divisors is an integer number (2729304072).

Almost surely, 2^133893552744 is an apocalyptic number.

133893552744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133893552744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218344325760).

133893552744 is an abundant number, since it is smaller than the sum of its proper divisors (302795098776).

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

133893552744 is a wasteful number, since it uses less digits than its factorization.

133893552744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557021 (or 557008 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 133893552744 in words is "one hundred thirty-three billion, eight hundred ninety-three million, five hundred fifty-two thousand, seven hundred forty-four".