135766377 has 6 divisors (see below), whose sum is σ = 196107002. Its totient is φ = 90510912.

The previous prime is 135766363. The next prime is 135766387. The reversal of 135766377 is 773667531.

It is a happy number.

135766377 is a `hidden beast` number, since 1 + 3 + 5 + 7 + 6 + 637 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103002201 + 32764176 = 10149^2 + 5724^2 .

It is not a de Polignac number, because 135766377 - 2⁴ = 135766361 is a prime.

It is a super-2 number, since 2×135766377² = 36865018247412258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135766327) 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, 7542568 + ... + 7542585.

Almost surely, 2^135766377 is an apocalyptic number.

It is an amenable number.

135766377 is a deficient number, since it is larger than the sum of its proper divisors (60340625).

135766377 is a wasteful number, since it uses less digits than its factorization.

135766377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085159 (or 15085156 counting only the distinct ones).

The product of its digits is 555660, while the sum is 45.

The square root of 135766377 is about 11651.8829808748. The cubic root of 135766377 is about 513.9616834170.

The spelling of 135766377 in words is "one hundred thirty-five million, seven hundred sixty-six thousand, three hundred seventy-seven".