133400653 has 8 divisors (see below), whose sum is σ = 140594720. Its totient is φ = 126223920.

The previous prime is 133400639. The next prime is 133400677. The reversal of 133400653 is 356004331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133400653 - 2²⁵ = 99846221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133400633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13363 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (17574340).

Almost surely, 2^133400653 is an apocalyptic number.

It is an amenable number.

133400653 is a deficient number, since it is larger than the sum of its proper divisors (7194067).

133400653 is an equidigital number, since it uses as much as digits as its factorization.

133400653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 133400653 is about 11549.9200430133. The cubic root of 133400653 is about 510.9589199554.

Adding to 133400653 its reverse (356004331), we get a palindrome (489404984).

The spelling of 133400653 in words is "one hundred thirty-three million, four hundred thousand, six hundred fifty-three".