133915560 has 64 divisors (see below), whose sum is σ = 402511680. Its totient is φ = 35642880.

The previous prime is 133915493. The next prime is 133915589. The reversal of 133915560 is 65519331.

It is a super-2 number, since 2×133915560² = 35866754420227200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 113775 + ... + 114945.

It is an arithmetic number, because the mean of its divisors is an integer number (6289245).

Almost surely, 2^133915560 is an apocalyptic number.

133915560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133915560 is an abundant number, since it is smaller than the sum of its proper divisors (268596120).

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

133915560 is a wasteful number, since it uses less digits than its factorization.

133915560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 133915560 is about 11572.1890755380. The cubic root of 133915560 is about 511.6154848179.

The spelling of 133915560 in words is "one hundred thirty-three million, nine hundred fifteen thousand, five hundred sixty".