133347399336 has 128 divisors (see below), whose sum is σ = 383348448000. Its totient is φ = 42897786624.

The previous prime is 133347399281. The next prime is 133347399337. The reversal of 133347399336 is 633993743331.

133347399336 is a `hidden beast` number, since 133 + 3 + 473 + 9 + 9 + 3 + 36 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (133347399337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27703266 + ... + 27708078.

It is an arithmetic number, because the mean of its divisors is an integer number (2994909750).

Almost surely, 2^133347399336 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 133347399336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191674224000).

133347399336 is an abundant number, since it is smaller than the sum of its proper divisors (250001048664).

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

133347399336 is a wasteful number, since it uses less digits than its factorization.

133347399336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280 (or 9270 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 54.

It can be divided in two parts, 1333473 and 99336, that added together give a square (1432809 = 1197²).

The spelling of 133347399336 in words is "one hundred thirty-three billion, three hundred forty-seven million, three hundred ninety-nine thousand, three hundred thirty-six".