134727839 has 8 divisors (see below), whose sum is σ = 144067248. Its totient is φ = 125545600.

The previous prime is 134727797. The next prime is 134727847. The reversal of 134727839 is 938727431.

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 134727839 - 2²⁰ = 133679263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134727839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134727869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37517 + ... + 40950.

It is an arithmetic number, because the mean of its divisors is an integer number (18008406).

Almost surely, 2^134727839 is an apocalyptic number.

134727839 is a deficient number, since it is larger than the sum of its proper divisors (9339409).

134727839 is a wasteful number, since it uses less digits than its factorization.

134727839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78585.

The product of its digits is 254016, while the sum is 44.

The square root of 134727839 is about 11607.2321851508. The cubic root of 134727839 is about 512.6478196647.

The spelling of 134727839 in words is "one hundred thirty-four million, seven hundred twenty-seven thousand, eight hundred thirty-nine".