134561263 has 8 divisors (see below), whose sum is σ = 136802160. Its totient is φ = 132338880.

The previous prime is 134561261. The next prime is 134561269. The reversal of 134561263 is 362165431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134561263 - 2¹ = 134561261 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 (134561261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10428 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (17100270).

Almost surely, 2^134561263 is an apocalyptic number.

134561263 is a deficient number, since it is larger than the sum of its proper divisors (2240897).

134561263 is a wasteful number, since it uses less digits than its factorization.

134561263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257.

The product of its digits is 12960, while the sum is 31.

The square root of 134561263 is about 11600.0544395274. The cubic root of 134561263 is about 512.4364551791.

The spelling of 134561263 in words is "one hundred thirty-four million, five hundred sixty-one thousand, two hundred sixty-three".