133121320307 has 8 divisors (see below), whose sum is σ = 134995224000. Its totient is φ = 131253846120.

The previous prime is 133121320291. The next prime is 133121320313. The reversal of 133121320307 is 703023121331.

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

It is not a de Polignac number, because 133121320307 - 2⁴ = 133121320291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121320357) 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, 1565669 + ... + 1648502.

It is an arithmetic number, because the mean of its divisors is an integer number (16874403000).

Almost surely, 2^133121320307 is an apocalyptic number.

133121320307 is a deficient number, since it is larger than the sum of its proper divisors (1873903693).

133121320307 is an equidigital number, since it uses as much as digits as its factorization.

133121320307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214753.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 133121320307 its reverse (703023121331), we get a palindrome (836144441638).

The spelling of 133121320307 in words is "one hundred thirty-three billion, one hundred twenty-one million, three hundred twenty thousand, three hundred seven".