134577865 has 16 divisors (see below), whose sum is σ = 174225168. Its totient is φ = 99414016.

The previous prime is 134577857. The next prime is 134577871. The reversal of 134577865 is 568775431.

It can be written as a sum of positive squares in 8 ways, for example, as 29289744 + 105288121 = 5412^2 + 10261^2 .

It is a cyclic number.

It is not a de Polignac number, because 134577865 - 2³ = 134577857 is a prime.

It is a super-2 number, since 2×134577865² = 36222403495916450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10432 + ... + 19441.

It is an arithmetic number, because the mean of its divisors is an integer number (10889073).

Almost surely, 2^134577865 is an apocalyptic number.

It is an amenable number.

134577865 is a deficient number, since it is larger than the sum of its proper divisors (39647303).

134577865 is a wasteful number, since it uses less digits than its factorization.

134577865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29948.

The product of its digits is 705600, while the sum is 46.

The square root of 134577865 is about 11600.7700175462. The cubic root of 134577865 is about 512.4575289017.

The spelling of 134577865 in words is "one hundred thirty-four million, five hundred seventy-seven thousand, eight hundred sixty-five".