134239637 has 16 divisors (see below), whose sum is σ = 159164160. Its totient is φ = 110775168.

The previous prime is 134239603. The next prime is 134239643. The reversal of 134239637 is 736932431.

It is a de Polignac number, because none of the positive numbers 2^k-134239637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134239637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134239697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92048 + ... + 93494.

It is an arithmetic number, because the mean of its divisors is an integer number (9947760).

Almost surely, 2^134239637 is an apocalyptic number.

It is an amenable number.

134239637 is a deficient number, since it is larger than the sum of its proper divisors (24924523).

134239637 is a wasteful number, since it uses less digits than its factorization.

134239637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its digits is 81648, while the sum is 38.

The square root of 134239637 is about 11586.1830211679. The cubic root of 134239637 is about 512.0278572184.

The spelling of 134239637 in words is "one hundred thirty-four million, two hundred thirty-nine thousand, six hundred thirty-seven".