134161111 has 4 divisors (see below), whose sum is σ = 153326992. Its totient is φ = 114995232.

The previous prime is 134161091. The next prime is 134161121. The reversal of 134161111 is 111161431.

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 134161111 - 2²¹ = 132063959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134161121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9582930 + ... + 9582943.

It is an arithmetic number, because the mean of its divisors is an integer number (38331748).

Almost surely, 2^134161111 is an apocalyptic number.

134161111 is a deficient number, since it is larger than the sum of its proper divisors (19165881).

134161111 is an equidigital number, since it uses as much as digits as its factorization.

134161111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165880.

The product of its digits is 72, while the sum is 19.

The square root of 134161111 is about 11582.7937476241. The cubic root of 134161111 is about 511.9279976364.

The spelling of 134161111 in words is "one hundred thirty-four million, one hundred sixty-one thousand, one hundred eleven".