133038723840 has 144 divisors (see below), whose sum is σ = 463519155456. Its totient is φ = 32251801600.

The previous prime is 133038723833. The next prime is 133038723863. The reversal of 133038723840 is 48327830331.

It is a junction number, because it is equal to n+sod(n) for n = 133038723792 and 133038723801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532556 + ... + 1617035.

It is an arithmetic number, because the mean of its divisors is an integer number (3218883024).

Almost surely, 2^133038723840 is an apocalyptic number.

133038723840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133038723840 is an abundant number, since it is smaller than the sum of its proper divisors (330480431616).

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

133038723840 is a wasteful number, since it uses less digits than its factorization.

133038723840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149626 (or 3149612 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 133038723840 in words is "one hundred thirty-three billion, thirty-eight million, seven hundred twenty-three thousand, eight hundred forty".