134113261 has 4 divisors (see below), whose sum is σ = 135013500. Its totient is φ = 133213024.

The previous prime is 134113241. The next prime is 134113277. The reversal of 134113261 is 162311431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51194025 + 82919236 = 7155^2 + 9106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134113261 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 (134113201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449896 + ... + 450193.

It is an arithmetic number, because the mean of its divisors is an integer number (33753375).

Almost surely, 2^134113261 is an apocalyptic number.

It is an amenable number.

134113261 is a deficient number, since it is larger than the sum of its proper divisors (900239).

134113261 is an equidigital number, since it uses as much as digits as its factorization.

134113261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900238.

The product of its digits is 432, while the sum is 22.

The square root of 134113261 is about 11580.7279995689. The cubic root of 134113261 is about 511.8671288613.

Adding to 134113261 its reverse (162311431), we get a palindrome (296424692).

The spelling of 134113261 in words is "one hundred thirty-four million, one hundred thirteen thousand, two hundred sixty-one".