133472140 has 12 divisors (see below), whose sum is σ = 280291536. Its totient is φ = 53388848.

The previous prime is 133472089. The next prime is 133472149. The reversal of 133472140 is 41274331.

It is a super-3 number, since 3×133472140³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (133472149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336784 + ... + 3336823.

It is an arithmetic number, because the mean of its divisors is an integer number (23357628).

Almost surely, 2^133472140 is an apocalyptic number.

133472140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133472140 is an abundant number, since it is smaller than the sum of its proper divisors (146819396).

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

133472140 is a wasteful number, since it uses less digits than its factorization.

133472140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673616 (or 6673614 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 133472140 is about 11553.0143252746. The cubic root of 133472140 is about 511.0501748749.

The spelling of 133472140 in words is "one hundred thirty-three million, four hundred seventy-two thousand, one hundred forty".