134008263 has 40 divisors (see below), whose sum is σ = 213322032. Its totient is φ = 83545344.

The previous prime is 134008261. The next prime is 134008289. The reversal of 134008263 is 362800431.

It is a happy number.

It is not a de Polignac number, because 134008263 - 2¹ = 134008261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134008261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 422581 + ... + 422897.

Almost surely, 2^134008263 is an apocalyptic number.

134008263 is a deficient number, since it is larger than the sum of its proper divisors (79313769).

134008263 is a wasteful number, since it uses less digits than its factorization.

134008263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 134008263 is about 11576.1938045283. The cubic root of 134008263 is about 511.7335128011.

Adding to 134008263 its reverse (362800431), we get a palindrome (496808694).

The spelling of 134008263 in words is "one hundred thirty-four million, eight thousand, two hundred sixty-three".