134577 has 12 divisors (see below), whose sum is σ = 204880. Its totient is φ = 84888.

The previous prime is 134513. The next prime is 134581. The reversal of 134577 is 775431.

It is not a de Polignac number, because 134577 - 2⁶ = 134513 is a prime.

It is a super-2 number, since 2×134577² = 36221937858, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 134577.

It is not an unprimeable number, because it can be changed into a prime (134507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223 + ... + 564.

2¹³⁴⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

134577 is a deficient number, since it is larger than the sum of its proper divisors (70303).

134577 is a wasteful number, since it uses less digits than its factorization.

134577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 809 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 134577 is about 366.8473797099. The cubic root of 134577 is about 51.2456430958.

The spelling of 134577 in words is "one hundred thirty-four thousand, five hundred seventy-seven".