133554677869 has 2 divisors, whose sum is σ = 133554677870. Its totient is φ = 133554677868.

The previous prime is 133554677797. The next prime is 133554677873. The reversal of 133554677869 is 968776455331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76086602244 + 57468075625 = 275838^2 + 239725^2 .

It is a cyclic number.

It is not a de Polignac number, because 133554677869 - 2¹⁹ = 133554153581 is a prime.

It is a super-2 number, since 2×133554677869² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133554677869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133554672869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66777338934 + 66777338935.

It is an arithmetic number, because the mean of its divisors is an integer number (66777338935).

Almost surely, 2^133554677869 is an apocalyptic number.

It is an amenable number.

133554677869 is a deficient number, since it is larger than the sum of its proper divisors (1).

133554677869 is an equidigital number, since it uses as much as digits as its factorization.

133554677869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114307200, while the sum is 64.

The spelling of 133554677869 in words is "one hundred thirty-three billion, five hundred fifty-four million, six hundred seventy-seven thousand, eight hundred sixty-nine".