133730732 has 6 divisors (see below), whose sum is σ = 234028788. Its totient is φ = 66865364.

The previous prime is 133730711. The next prime is 133730741. The reversal of 133730732 is 237037331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133730695 and 133730704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16716338 + ... + 16716345.

It is an arithmetic number, because the mean of its divisors is an integer number (39004798).

Almost surely, 2^133730732 is an apocalyptic number.

It is an amenable number.

133730732 is a deficient number, since it is larger than the sum of its proper divisors (100298056).

133730732 is a wasteful number, since it uses less digits than its factorization.

133730732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432687 (or 33432685 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 29.

The square root of 133730732 is about 11564.2004479341. The cubic root of 133730732 is about 511.3800020903.

The spelling of 133730732 in words is "one hundred thirty-three million, seven hundred thirty thousand, seven hundred thirty-two".