134555799 has 24 divisors (see below), whose sum is σ = 217817728. Its totient is φ = 72362880.

The previous prime is 134555789. The next prime is 134555821. The reversal of 134555799 is 997555431.

It is not a de Polignac number, because 134555799 - 2¹⁶ = 134490263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134555719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5017 + ... + 17154.

Almost surely, 2^134555799 is an apocalyptic number.

134555799 is a deficient number, since it is larger than the sum of its proper divisors (83261929).

134555799 is a wasteful number, since it uses less digits than its factorization.

134555799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215 (or 22198 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 134555799 is about 11599.8189210004. The cubic root of 134555799 is about 512.4295190802.

The spelling of 134555799 in words is "one hundred thirty-four million, five hundred fifty-five thousand, seven hundred ninety-nine".