133503752 has 16 divisors (see below), whose sum is σ = 250659900. Its totient is φ = 66661120.

The previous prime is 133503743. The next prime is 133503779. The reversal of 133503752 is 257305331.

It can be written as a sum of positive squares in 2 ways, for example, as 133494916 + 8836 = 11554^2 + 94^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877 + ... + 17052.

Almost surely, 2^133503752 is an apocalyptic number.

It is an amenable number.

133503752 is a deficient number, since it is larger than the sum of its proper divisors (117156148).

133503752 is a wasteful number, since it uses less digits than its factorization.

133503752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696 (or 22692 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 133503752 is about 11554.3823720699. The cubic root of 133503752 is about 511.0905179829.

The spelling of 133503752 in words is "one hundred thirty-three million, five hundred three thousand, seven hundred fifty-two".