133088472 has 96 divisors (see below), whose sum is σ = 395675280. Its totient is φ = 40078080.

The previous prime is 133088471. The next prime is 133088477. The reversal of 133088472 is 274880331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133088471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155598 + ... + 156450.

Almost surely, 2^133088472 is an apocalyptic number.

133088472 is a gapful number since it is divisible by the number (12) 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 133088472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197837640).

133088472 is an abundant number, since it is smaller than the sum of its proper divisors (262586808).

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

133088472 is a wasteful number, since it uses less digits than its factorization.

133088472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 133088472 is about 11536.3977046563. The cubic root of 133088472 is about 510.5600307109.

The spelling of 133088472 in words is "one hundred thirty-three million, eighty-eight thousand, four hundred seventy-two".