134840183 has 4 divisors (see below), whose sum is σ = 135479448. Its totient is φ = 134200920.

The previous prime is 134840177. The next prime is 134840197. The reversal of 134840183 is 381048431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381048431 = 1021 ⋅373211.

It is a cyclic number.

It is not a de Polignac number, because 134840183 - 2⁸ = 134839927 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 (134840143) 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, 319316 + ... + 319737.

It is an arithmetic number, because the mean of its divisors is an integer number (33869862).

Almost surely, 2^134840183 is an apocalyptic number.

134840183 is a deficient number, since it is larger than the sum of its proper divisors (639265).

134840183 is an equidigital number, since it uses as much as digits as its factorization.

134840183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639264.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 134840183 is about 11612.0705733302. The cubic root of 134840183 is about 512.7902720496.

The spelling of 134840183 in words is "one hundred thirty-four million, eight hundred forty thousand, one hundred eighty-three".