134555111 has 4 divisors (see below), whose sum is σ = 134579424. Its totient is φ = 134530800.

The previous prime is 134555087. The next prime is 134555117. The reversal of 134555111 is 111555431.

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 134555111 - 2²² = 130360807 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 (134555117) 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, 626 + ... + 16416.

It is an arithmetic number, because the mean of its divisors is an integer number (33644856).

Almost surely, 2^134555111 is an apocalyptic number.

134555111 is a deficient number, since it is larger than the sum of its proper divisors (24313).

134555111 is an equidigital number, since it uses as much as digits as its factorization.

134555111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24312.

The product of its digits is 1500, while the sum is 26.

The square root of 134555111 is about 11599.7892653272. The cubic root of 134555111 is about 512.4286457074.

The spelling of 134555111 in words is "one hundred thirty-four million, five hundred fifty-five thousand, one hundred eleven".