133236632369 has 2 divisors, whose sum is σ = 133236632370. Its totient is φ = 133236632368.

The previous prime is 133236632329. The next prime is 133236632393. The reversal of 133236632369 is 963236632331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103113558769 + 30123073600 = 321113^2 + 173560^2 .

It is a cyclic number.

It is not a de Polignac number, because 133236632369 - 2²⁸ = 132968196913 is a prime.

It is a super-2 number, since 2×133236632369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133236632329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66618316184 + 66618316185.

It is an arithmetic number, because the mean of its divisors is an integer number (66618316185).

Almost surely, 2^133236632369 is an apocalyptic number.

It is an amenable number.

133236632369 is a deficient number, since it is larger than the sum of its proper divisors (1).

133236632369 is an equidigital number, since it uses as much as digits as its factorization.

133236632369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 47.

The spelling of 133236632369 in words is "one hundred thirty-three billion, two hundred thirty-six million, six hundred thirty-two thousand, three hundred sixty-nine".