134871897 has 8 divisors (see below), whose sum is σ = 190407456. Its totient is φ = 84625472.

The previous prime is 134871889. The next prime is 134871907. The reversal of 134871897 is 798178431.

134871897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 134871897 - 2³ = 134871889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134871887) 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, 1322223 + ... + 1322324.

It is an arithmetic number, because the mean of its divisors is an integer number (23800932).

Almost surely, 2^134871897 is an apocalyptic number.

134871897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134871897 is a deficient number, since it is larger than the sum of its proper divisors (55535559).

134871897 is a wasteful number, since it uses less digits than its factorization.

134871897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644567.

The product of its digits is 338688, while the sum is 48.

The square root of 134871897 is about 11613.4360548461. The cubic root of 134871897 is about 512.8304711345.

The spelling of 134871897 in words is "one hundred thirty-four million, eight hundred seventy-one thousand, eight hundred ninety-seven".