134420111 has 8 divisors (see below), whose sum is σ = 155787264. Its totient is φ = 113594040.

The previous prime is 134420101. The next prime is 134420129. The reversal of 134420111 is 111024431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-134420111 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 134420111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134420101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134735 + ... + 135728.

It is an arithmetic number, because the mean of its divisors is an integer number (19473408).

Almost surely, 2^134420111 is an apocalyptic number.

134420111 is a deficient number, since it is larger than the sum of its proper divisors (21367153).

134420111 is an equidigital number, since it uses as much as digits as its factorization.

134420111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270541.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 134420111 is about 11593.9687337857. The cubic root of 134420111 is about 512.2572140537.

Adding to 134420111 its reverse (111024431), we get a palindrome (245444542).

The spelling of 134420111 in words is "one hundred thirty-four million, four hundred twenty thousand, one hundred eleven".