134164861 has 4 divisors (see below), whose sum is σ = 134588412. Its totient is φ = 133741312.

The previous prime is 134164781. The next prime is 134164873. The reversal of 134164861 is 168461431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69056100 + 65108761 = 8310^2 + 8069^2 .

It is a cyclic number.

It is not a de Polignac number, because 134164861 - 2¹¹ = 134162813 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 (134164361) 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, 211300 + ... + 211933.

It is an arithmetic number, because the mean of its divisors is an integer number (33647103).

Almost surely, 2^134164861 is an apocalyptic number.

It is an amenable number.

134164861 is a deficient number, since it is larger than the sum of its proper divisors (423551).

134164861 is an equidigital number, since it uses as much as digits as its factorization.

134164861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423550.

The product of its digits is 13824, while the sum is 34.

The square root of 134164861 is about 11582.9556245373. The cubic root of 134164861 is about 511.9327673050.

The spelling of 134164861 in words is "one hundred thirty-four million, one hundred sixty-four thousand, eight hundred sixty-one".