134724231 has 24 divisors (see below), whose sum is σ = 209214720. Its totient is φ = 83273616.

The previous prime is 134724217. The next prime is 134724259. The reversal of 134724231 is 132427431.

It is a happy number.

It is not a de Polignac number, because 134724231 - 2¹⁰ = 134723207 is a prime.

It is a super-2 number, since 2×134724231² = 36301236837082722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134724195 and 134724204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134724281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (8717280).

Almost surely, 2^134724231 is an apocalyptic number.

134724231 is a deficient number, since it is larger than the sum of its proper divisors (74490489).

134724231 is a wasteful number, since it uses less digits than its factorization.

134724231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835 (or 16832 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 134724231 is about 11607.0767637679. The cubic root of 134724231 is about 512.6432434022.

The spelling of 134724231 in words is "one hundred thirty-four million, seven hundred twenty-four thousand, two hundred thirty-one".