135872092460669 has 2 divisors, whose sum is σ = 135872092460670. Its totient is φ = 135872092460668.

The previous prime is 135872092460591. The next prime is 135872092460707. The reversal of 135872092460669 is 966064290278531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73668112158169 + 62203980302500 = 8583013^2 + 7886950^2 .

It is an emirp because it is prime and its reverse (966064290278531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135872092460669 - 2⁴⁴ = 118279906416253 is a prime.

It is a super-2 number, since 2×135872092460669² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135872092460599 and 135872092460608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135872092460869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67936046230334 + 67936046230335.

It is an arithmetic number, because the mean of its divisors is an integer number (67936046230335).

It is a 1-persistent number, because it is pandigital, but 2⋅135872092460669 = 271744184921338 is not.

Almost surely, 2^{135872092460669} is an apocalyptic number.

It is an amenable number.

135872092460669 is a deficient number, since it is larger than the sum of its proper divisors (1).

135872092460669 is an equidigital number, since it uses as much as digits as its factorization.

135872092460669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 135872092460669 in words is "one hundred thirty-five trillion, eight hundred seventy-two billion, ninety-two million, four hundred sixty thousand, six hundred sixty-nine".