133545708 has 36 divisors (see below), whose sum is σ = 341854240. Its totient is φ = 43950816.

The previous prime is 133545677. The next prime is 133545721. The reversal of 133545708 is 807545331.

133545708 is a `hidden beast` number, since 1 + 33 + 54 + 570 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×133545708² = 35668912250442528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20635 + ... + 26322.

Almost surely, 2^133545708 is an apocalyptic number.

133545708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133545708 is an abundant number, since it is smaller than the sum of its proper divisors (208308532).

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

133545708 is a wasteful number, since it uses less digits than its factorization.

133545708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47046 (or 47041 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 133545708 is about 11556.1978176215. The cubic root of 133545708 is about 511.1440522282.

The spelling of 133545708 in words is "one hundred thirty-three million, five hundred forty-five thousand, seven hundred eight".