134840655 has 24 divisors (see below), whose sum is σ = 234039312. Its totient is φ = 71817984.

The previous prime is 134840611. The next prime is 134840659. The reversal of 134840655 is 556048431.

It is a happy number.

It is not a de Polignac number, because 134840655 - 2⁶ = 134840591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134840659) 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, 42432 + ... + 45498.

It is an arithmetic number, because the mean of its divisors is an integer number (9751638).

Almost surely, 2^134840655 is an apocalyptic number.

134840655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134840655 is a deficient number, since it is larger than the sum of its proper divisors (99198657).

134840655 is a wasteful number, since it uses less digits than its factorization.

134840655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 134840655 is about 11612.0908969918. The cubic root of 134840655 is about 512.7908703795.

The spelling of 134840655 in words is "one hundred thirty-four million, eight hundred forty thousand, six hundred fifty-five".