133833261673261 has 2 divisors, whose sum is σ = 133833261673262. Its totient is φ = 133833261673260.

The previous prime is 133833261673193. The next prime is 133833261673277. The reversal of 133833261673261 is 162376162338331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108354046955625 + 25479214717636 = 10409325^2 + 5047694^2 .

It is a cyclic number.

It is not a de Polignac number, because 133833261673261 - 2³³ = 133824671738669 is a prime.

It is a super-2 number, since 2×133833261673261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133833261673861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66916630836630 + 66916630836631.

It is an arithmetic number, because the mean of its divisors is an integer number (66916630836631).

Almost surely, 2^{133833261673261} is an apocalyptic number.

It is an amenable number.

133833261673261 is a deficient number, since it is larger than the sum of its proper divisors (1).

133833261673261 is an equidigital number, since it uses as much as digits as its factorization.

133833261673261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 55.

The spelling of 133833261673261 in words is "one hundred thirty-three trillion, eight hundred thirty-three billion, two hundred sixty-one million, six hundred seventy-three thousand, two hundred sixty-one".