135356411669 has 2 divisors, whose sum is σ = 135356411670. Its totient is φ = 135356411668.

The previous prime is 135356411647. The next prime is 135356411693. The reversal of 135356411669 is 966114653531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92013335569 + 43343076100 = 303337^2 + 208190^2 .

It is a cyclic number.

It is not a de Polignac number, because 135356411669 - 2²⁰ = 135355363093 is a prime.

It is a super-2 number, since 2×135356411669² (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 (135356411609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67678205834 + 67678205835.

It is an arithmetic number, because the mean of its divisors is an integer number (67678205835).

Almost surely, 2^135356411669 is an apocalyptic number.

It is an amenable number.

135356411669 is a deficient number, since it is larger than the sum of its proper divisors (1).

135356411669 is an equidigital number, since it uses as much as digits as its factorization.

135356411669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 50.

The spelling of 135356411669 in words is "one hundred thirty-five billion, three hundred fifty-six million, four hundred eleven thousand, six hundred sixty-nine".