134400055 has 4 divisors (see below), whose sum is σ = 161280072. Its totient is φ = 107520040.

The previous prime is 134400047. The next prime is 134400061. The reversal of 134400055 is 550004431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550004431 = 59 ⋅9322109.

It is not a de Polignac number, because 134400055 - 2³ = 134400047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134399999 and 134400035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13440001 + ... + 13440010.

It is an arithmetic number, because the mean of its divisors is an integer number (40320018).

Almost surely, 2^134400055 is an apocalyptic number.

134400055 is a deficient number, since it is larger than the sum of its proper divisors (26880017).

134400055 is an equidigital number, since it uses as much as digits as its factorization.

134400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26880016.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 134400055 is about 11593.1037690517. The cubic root of 134400055 is about 512.2317358679.

Adding to 134400055 its reverse (550004431), we get a palindrome (684404486).

The spelling of 134400055 in words is "one hundred thirty-four million, four hundred thousand, fifty-five".