136104176477 has 2 divisors, whose sum is σ = 136104176478. Its totient is φ = 136104176476.

The previous prime is 136104176423. The next prime is 136104176513. The reversal of 136104176477 is 774671401631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91135156996 + 44969019481 = 301886^2 + 212059^2 .

It is an emirp because it is prime and its reverse (774671401631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136104176477 - 2¹⁰ = 136104175453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136104176407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68052088238 + 68052088239.

It is an arithmetic number, because the mean of its divisors is an integer number (68052088239).

Almost surely, 2^136104176477 is an apocalyptic number.

It is an amenable number.

136104176477 is a deficient number, since it is larger than the sum of its proper divisors (1).

136104176477 is an equidigital number, since it uses as much as digits as its factorization.

136104176477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 136104176477 in words is "one hundred thirty-six billion, one hundred four million, one hundred seventy-six thousand, four hundred seventy-seven".