134739438 has 8 divisors (see below), whose sum is σ = 269478888. Its totient is φ = 44913144.

The previous prime is 134739419. The next prime is 134739443. The reversal of 134739438 is 834937431.

It is a sphenic number, since it is the product of 3 distinct primes.

134739438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 134739438.

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, 11228281 + ... + 11228292.

It is an arithmetic number, because the mean of its divisors is an integer number (33684861).

Almost surely, 2^134739438 is an apocalyptic number.

134739438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134739438 is a wasteful number, since it uses less digits than its factorization.

134739438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22456578.

The product of its digits is 217728, while the sum is 42.

The square root of 134739438 is about 11607.7318197829. The cubic root of 134739438 is about 512.6625308817.

The spelling of 134739438 in words is "one hundred thirty-four million, seven hundred thirty-nine thousand, four hundred thirty-eight".