133613430748 has 54 divisors (see below), whose sum is σ = 274791591144. Its totient is φ = 55685410848.

The previous prime is 133613430701. The next prime is 133613430757. The reversal of 133613430748 is 847034316331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71564911 + ... + 71566777.

Almost surely, 2^133613430748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133613430748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137395795572).

133613430748 is an abundant number, since it is smaller than the sum of its proper divisors (141178160396).

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

133613430748 is an frugal number, since it uses more digits than its factorization.

133613430748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 133613430748 in words is "one hundred thirty-three billion, six hundred thirteen million, four hundred thirty thousand, seven hundred forty-eight".