133523530653 has 8 divisors (see below), whose sum is σ = 180470160448. Its totient is φ = 87796293984.

The previous prime is 133523530603. The next prime is 133523530669. The reversal of 133523530653 is 356035325331.

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

It is not a de Polignac number, because 133523530653 - 2⁶ = 133523530589 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 (133523530603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304848025 + ... + 304848462.

It is an arithmetic number, because the mean of its divisors is an integer number (22558770056).

Almost surely, 2^133523530653 is an apocalyptic number.

It is an amenable number.

133523530653 is a deficient number, since it is larger than the sum of its proper divisors (46946629795).

133523530653 is an equidigital number, since it uses as much as digits as its factorization.

133523530653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609696563.

The product of its (nonzero) digits is 364500, while the sum is 39.

Adding to 133523530653 its reverse (356035325331), we get a palindrome (489558855984).

The spelling of 133523530653 in words is "one hundred thirty-three billion, five hundred twenty-three million, five hundred thirty thousand, six hundred fifty-three".