133023021413 has 4 divisors (see below), whose sum is σ = 133031827968. Its totient is φ = 133014214860.

The previous prime is 133023021403. The next prime is 133023021449. The reversal of 133023021413 is 314120320331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133023021413 - 2¹⁸ = 133022759269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023021403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380581 + ... + 4410842.

It is an arithmetic number, because the mean of its divisors is an integer number (33257956992).

Almost surely, 2^133023021413 is an apocalyptic number.

It is an amenable number.

133023021413 is a deficient number, since it is larger than the sum of its proper divisors (8806555).

133023021413 is an equidigital number, since it uses as much as digits as its factorization.

133023021413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806554.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133023021413 its reverse (314120320331), we get a palindrome (447143341744).

The spelling of 133023021413 in words is "one hundred thirty-three billion, twenty-three million, twenty-one thousand, four hundred thirteen".