134827827247 has 4 divisors (see below), whose sum is σ = 138471822616. Its totient is φ = 131183831880.

The previous prime is 134827827241. The next prime is 134827827289. The reversal of 134827827247 is 742728728431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134827827247 - 2²³ = 134819438639 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 (134827827241) 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, 1821997629 + ... + 1821997702.

It is an arithmetic number, because the mean of its divisors is an integer number (34617955654).

Almost surely, 2^134827827247 is an apocalyptic number.

134827827247 is a deficient number, since it is larger than the sum of its proper divisors (3643995369).

134827827247 is an equidigital number, since it uses as much as digits as its factorization.

134827827247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643995368.

The product of its digits is 8429568, while the sum is 55.

The spelling of 134827827247 in words is "one hundred thirty-four billion, eight hundred twenty-seven million, eight hundred twenty-seven thousand, two hundred forty-seven".