133432321651 has 2 divisors, whose sum is σ = 133432321652. Its totient is φ = 133432321650.

The previous prime is 133432321637. The next prime is 133432321669. The reversal of 133432321651 is 156123234331.

It is a weak prime.

It is an emirp because it is prime and its reverse (156123234331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133432321651 - 2⁵ = 133432321619 is a prime.

It is a super-2 number, since 2×133432321651² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133435321651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66716160825 + 66716160826.

It is an arithmetic number, because the mean of its divisors is an integer number (66716160826).

Almost surely, 2^133432321651 is an apocalyptic number.

133432321651 is a deficient number, since it is larger than the sum of its proper divisors (1).

133432321651 is an equidigital number, since it uses as much as digits as its factorization.

133432321651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

Adding to 133432321651 its reverse (156123234331), we get a palindrome (289555555982).

The spelling of 133432321651 in words is "one hundred thirty-three billion, four hundred thirty-two million, three hundred twenty-one thousand, six hundred fifty-one".