134119561 has 9 divisors (see below), whose sum is σ = 138284181. Its totient is φ = 130077792.

The previous prime is 134119553. The next prime is 134119589. The reversal of 134119561 is 165911431.

The square root of 134119561 is 11581.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8231161 + 125888400 = 2869^2 + 11220^2 .

It is not a de Polignac number, because 134119561 - 2³ = 134119553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134119501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 428341 + ... + 428653.

It is an arithmetic number, because the mean of its divisors is an integer number (15364909).

Almost surely, 2^134119561 is an apocalyptic number.

134119561 is the 11581-st square number.

134119561 is the 5791-st centered octagonal number.

It is an amenable number.

134119561 is a deficient number, since it is larger than the sum of its proper divisors (4164620).

134119561 is an frugal number, since it uses more digits than its factorization.

134119561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 350 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The cubic root of 134119561 is about 511.8751437596.

It can be divided in two parts, 1341 and 19561, that added together give a palindrome (20902).

The spelling of 134119561 in words is "one hundred thirty-four million, one hundred nineteen thousand, five hundred sixty-one".