133274644624 has 45 divisors (see below), whose sum is σ = 283862394361. Its totient is φ = 60572082560.

The previous prime is 133274644621. The next prime is 133274644669. The reversal of 133274644624 is 426446472331.

The square root of 133274644624 is 365068.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 132248595600 + 1026049024 = 363660^2 + 32032^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133274644621) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 16058844 + ... + 16067140.

Almost surely, 2^133274644624 is an apocalyptic number.

133274644624 is the 365068-th square number.

It is an amenable number.

133274644624 is an abundant number, since it is smaller than the sum of its proper divisors (150587749737).

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

133274644624 is an frugal number, since it uses more digits than its factorization.

133274644624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624 (or 8310 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 46.

The spelling of 133274644624 in words is "one hundred thirty-three billion, two hundred seventy-four million, six hundred forty-four thousand, six hundred twenty-four".