133653732 has 12 divisors (see below), whose sum is σ = 311858736. Its totient is φ = 44551240.

The previous prime is 133653719. The next prime is 133653749. The reversal of 133653732 is 237356331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 133653693 and 133653702.

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 3 ways as a sum of consecutive naturals, for example, 5568894 + ... + 5568917.

It is an arithmetic number, because the mean of its divisors is an integer number (25988228).

Almost surely, 2^133653732 is an apocalyptic number.

133653732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133653732 is an abundant number, since it is smaller than the sum of its proper divisors (178205004).

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

133653732 is a wasteful number, since it uses less digits than its factorization.

133653732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137818 (or 11137816 counting only the distinct ones).

The product of its digits is 34020, while the sum is 33.

The square root of 133653732 is about 11560.8707284529. The cubic root of 133653732 is about 511.2818351260.

The spelling of 133653732 in words is "one hundred thirty-three million, six hundred fifty-three thousand, seven hundred thirty-two".