134842897 has 4 divisors (see below), whose sum is σ = 154106176. Its totient is φ = 115579620.

The previous prime is 134842871. The next prime is 134842909. The reversal of 134842897 is 798248431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134842897 - 2¹⁹ = 134318609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134842817) 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, 9631629 + ... + 9631642.

It is an arithmetic number, because the mean of its divisors is an integer number (38526544).

Almost surely, 2^134842897 is an apocalyptic number.

It is an amenable number.

134842897 is a deficient number, since it is larger than the sum of its proper divisors (19263279).

134842897 is an equidigital number, since it uses as much as digits as its factorization.

134842897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263278.

The product of its digits is 387072, while the sum is 46.

The square root of 134842897 is about 11612.1874338989. The cubic root of 134842897 is about 512.7937124273.

The spelling of 134842897 in words is "one hundred thirty-four million, eight hundred forty-two thousand, eight hundred ninety-seven".