133130023413521 has 8 divisors (see below), whose sum is σ = 133165002326400. Its totient is φ = 133095045407632.

The previous prime is 133130023413509. The next prime is 133130023413523. The reversal of 133130023413521 is 125314320031331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133130023413521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133130023413523) 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, 373363880 + ... + 373720278.

It is an arithmetic number, because the mean of its divisors is an integer number (16645625290800).

Almost surely, 2^{133130023413521} is an apocalyptic number.

It is an amenable number.

133130023413521 is a deficient number, since it is larger than the sum of its proper divisors (34978912879).

133130023413521 is an equidigital number, since it uses as much as digits as its factorization.

133130023413521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453495.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 133130023413521 its reverse (125314320031331), we get a palindrome (258444343444852).

The spelling of 133130023413521 in words is "one hundred thirty-three trillion, one hundred thirty billion, twenty-three million, four hundred thirteen thousand, five hundred twenty-one".