133616460 has 24 divisors (see below), whose sum is σ = 374126256. Its totient is φ = 35631040.

The previous prime is 133616459. The next prime is 133616473. The reversal of 133616460 is 64616331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1113411 + ... + 1113530.

It is an arithmetic number, because the mean of its divisors is an integer number (15588594).

Almost surely, 2^133616460 is an apocalyptic number.

133616460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133616460 is an abundant number, since it is smaller than the sum of its proper divisors (240509796).

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

133616460 is a wasteful number, since it uses less digits than its factorization.

133616460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226953 (or 2226951 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 133616460 is about 11559.2586267459. The cubic root of 133616460 is about 511.2343036730.

The spelling of 133616460 in words is "one hundred thirty-three million, six hundred sixteen thousand, four hundred sixty".