133271880 has 64 divisors (see below), whose sum is σ = 456935040. Its totient is φ = 30461952.

The previous prime is 133271813. The next prime is 133271881. The reversal of 133271880 is 88172331.

It is a super-2 number, since 2×133271880² = 35522787997468800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133271881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78489 + ... + 80168.

It is an arithmetic number, because the mean of its divisors is an integer number (7139610).

Almost surely, 2^133271880 is an apocalyptic number.

133271880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133271880 is an abundant number, since it is smaller than the sum of its proper divisors (323663160).

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

133271880 is a wasteful number, since it uses less digits than its factorization.

133271880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158678 (or 158674 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 133271880 is about 11544.3440697166. The cubic root of 133271880 is about 510.7944557527.

The spelling of 133271880 in words is "one hundred thirty-three million, two hundred seventy-one thousand, eight hundred eighty".