133690480 has 120 divisors (see below), whose sum is σ = 390662496. Its totient is φ = 41648640.

The previous prime is 133690477. The next prime is 133690537. The reversal of 133690480 is 84096331.

133690480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66774 + ... + 68746.

Almost surely, 2^133690480 is an apocalyptic number.

133690480 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 133690480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195331248).

133690480 is an abundant number, since it is smaller than the sum of its proper divisors (256972016).

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

133690480 is a wasteful number, since it uses less digits than its factorization.

133690480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 133690480 is about 11562.4599458766. The cubic root of 133690480 is about 511.3286896929.

The spelling of 133690480 in words is "one hundred thirty-three million, six hundred ninety thousand, four hundred eighty".