134321111 has 4 divisors (see below), whose sum is σ = 136597800. Its totient is φ = 132044424.

The previous prime is 134321021. The next prime is 134321129. The reversal of 134321111 is 111123431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111123431 = 809 ⋅137359.

It is a cyclic number.

It is not a de Polignac number, because 134321111 - 2¹⁴ = 134304727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134321111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134321191) 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, 1138256 + ... + 1138373.

It is an arithmetic number, because the mean of its divisors is an integer number (34149450).

Almost surely, 2^134321111 is an apocalyptic number.

134321111 is a deficient number, since it is larger than the sum of its proper divisors (2276689).

134321111 is an equidigital number, since it uses as much as digits as its factorization.

134321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276688.

The product of its digits is 72, while the sum is 17.

The square root of 134321111 is about 11589.6984861557. The cubic root of 134321111 is about 512.1314245444.

Adding to 134321111 its reverse (111123431), we get a palindrome (245444542).

The spelling of 134321111 in words is "one hundred thirty-four million, three hundred twenty-one thousand, one hundred eleven".