133025125880 has 128 divisors (see below), whose sum is σ = 309361006080. Its totient is φ = 51459893760.

The previous prime is 133025125879. The next prime is 133025125943. The reversal of 133025125880 is 88521520331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37145690 + ... + 37149270.

It is an arithmetic number, because the mean of its divisors is an integer number (2416882860).

Almost surely, 2^133025125880 is an apocalyptic number.

133025125880 is a gapful number since it is divisible by the number (10) 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 133025125880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154680503040).

133025125880 is an abundant number, since it is smaller than the sum of its proper divisors (176335880200).

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

133025125880 is a wasteful number, since it uses less digits than its factorization.

133025125880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 133025125880 in words is "one hundred thirty-three billion, twenty-five million, one hundred twenty-five thousand, eight hundred eighty".