133535480 has 32 divisors (see below), whose sum is σ = 323568000. Its totient is φ = 49305216.

The previous prime is 133535471. The next prime is 133535509. The reversal of 133535480 is 84535331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127880 + ... + 128919.

It is an arithmetic number, because the mean of its divisors is an integer number (10111500).

Almost surely, 2^133535480 is an apocalyptic number.

133535480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133535480 is an abundant number, since it is smaller than the sum of its proper divisors (190032520).

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

133535480 is a wasteful number, since it uses less digits than its factorization.

133535480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256823 (or 256819 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 133535480 is about 11555.7552760518. The cubic root of 133535480 is about 511.1310027265.

The spelling of 133535480 in words is "one hundred thirty-three million, five hundred thirty-five thousand, four hundred eighty".