136477917 has 6 divisors (see below), whose sum is σ = 197134782. Its totient is φ = 90985272.

The previous prime is 136477879. The next prime is 136477961. The reversal of 136477917 is 719774631.

It is a happy number.

136477917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110376036 + 26101881 = 10506^2 + 5109^2 .

It is not a de Polignac number, because 136477917 - 2¹⁸ = 136215773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136477217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7582098 + ... + 7582115.

It is an arithmetic number, because the mean of its divisors is an integer number (32855797).

Almost surely, 2^136477917 is an apocalyptic number.

It is an amenable number.

136477917 is a deficient number, since it is larger than the sum of its proper divisors (60656865).

136477917 is a wasteful number, since it uses less digits than its factorization.

136477917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164219 (or 15164216 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 136477917 is about 11682.3763421660. The cubic root of 136477917 is about 514.8579958496.

The spelling of 136477917 in words is "one hundred thirty-six million, four hundred seventy-seven thousand, nine hundred seventeen".