133132321237 has 2 divisors, whose sum is σ = 133132321238. Its totient is φ = 133132321236.

The previous prime is 133132321211. The next prime is 133132321247. The reversal of 133132321237 is 732123231331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112386528081 + 20745793156 = 335241^2 + 144034^2 .

It is a cyclic number.

It is not a de Polignac number, because 133132321237 - 2¹¹ = 133132319189 is a prime.

It is a super-2 number, since 2×133132321237² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133132321199 and 133132321208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133132321247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66566160618 + 66566160619.

It is an arithmetic number, because the mean of its divisors is an integer number (66566160619).

Almost surely, 2^133132321237 is an apocalyptic number.

It is an amenable number.

133132321237 is a deficient number, since it is larger than the sum of its proper divisors (1).

133132321237 is an equidigital number, since it uses as much as digits as its factorization.

133132321237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

Adding to 133132321237 its reverse (732123231331), we get a palindrome (865255552568).

The spelling of 133132321237 in words is "one hundred thirty-three billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-seven".