133587460 has 12 divisors (see below), whose sum is σ = 280533708. Its totient is φ = 53434976.

The previous prime is 133587451. The next prime is 133587491. The reversal of 133587460 is 64785331.

133587460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 106213636 = 5232^2 + 10306^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3339667 + ... + 3339706.

It is an arithmetic number, because the mean of its divisors is an integer number (23377809).

Almost surely, 2^133587460 is an apocalyptic number.

133587460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133587460 is an abundant number, since it is smaller than the sum of its proper divisors (146946248).

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

133587460 is a wasteful number, since it uses less digits than its factorization.

133587460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679382 (or 6679380 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 133587460 is about 11558.0041529669. The cubic root of 133587460 is about 511.1973150477.

The spelling of 133587460 in words is "one hundred thirty-three million, five hundred eighty-seven thousand, four hundred sixty".