133280703864 has 384 divisors, whose sum is σ = 465813504000. Its totient is φ = 33411052800.

The previous prime is 133280703839. The next prime is 133280703869. The reversal of 133280703864 is 468307082331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133280703869) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82322047 + ... + 82323665.

It is an arithmetic number, because the mean of its divisors is an integer number (1213056000).

Almost surely, 2^133280703864 is an apocalyptic number.

133280703864 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 133280703864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232906752000).

133280703864 is an abundant number, since it is smaller than the sum of its proper divisors (332532800136).

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

133280703864 is a wasteful number, since it uses less digits than its factorization.

133280703864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 133280703864 in words is "one hundred thirty-three billion, two hundred eighty million, seven hundred three thousand, eight hundred sixty-four".