136477773 has 6 divisors (see below), whose sum is σ = 197134574. Its totient is φ = 90985176.

The previous prime is 136477769. The next prime is 136477787. The reversal of 136477773 is 377774631.

It can be written as a sum of positive squares in only one way, i.e., 136469124 + 8649 = 11682^2 + 93^2 .

It is not a de Polignac number, because 136477773 - 2² = 136477769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136477723) 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, 7582090 + ... + 7582107.

Almost surely, 2^136477773 is an apocalyptic number.

It is an amenable number.

136477773 is a deficient number, since it is larger than the sum of its proper divisors (60656801).

136477773 is a wasteful number, since it uses less digits than its factorization.

136477773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164203 (or 15164200 counting only the distinct ones).

The product of its digits is 518616, while the sum is 45.

The square root of 136477773 is about 11682.3701790347. The cubic root of 136477773 is about 514.8578147713.

The spelling of 136477773 in words is "one hundred thirty-six million, four hundred seventy-seven thousand, seven hundred seventy-three".