133308698837 has 2 divisors, whose sum is σ = 133308698838. Its totient is φ = 133308698836.

The previous prime is 133308698827. The next prime is 133308699001. The reversal of 133308698837 is 738896803331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89880639601 + 43428059236 = 299801^2 + 208394^2 .

It is a cyclic number.

It is not a de Polignac number, because 133308698837 - 2⁴ = 133308698821 is a prime.

It is a super-2 number, since 2×133308698837² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133308698827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66654349418 + 66654349419.

It is an arithmetic number, because the mean of its divisors is an integer number (66654349419).

Almost surely, 2^133308698837 is an apocalyptic number.

It is an amenable number.

133308698837 is a deficient number, since it is larger than the sum of its proper divisors (1).

133308698837 is an equidigital number, since it uses as much as digits as its factorization.

133308698837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 133308698837 in words is "one hundred thirty-three billion, three hundred eight million, six hundred ninety-eight thousand, eight hundred thirty-seven".