134888438 has 12 divisors (see below), whose sum is σ = 214935612. Its totient is φ = 63476640.

The previous prime is 134888437. The next prime is 134888441. The reversal of 134888438 is 834888431.

134888438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 134888392 and 134888401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134888431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116108 + ... + 117263.

It is an arithmetic number, because the mean of its divisors is an integer number (17911301).

Almost surely, 2^134888438 is an apocalyptic number.

134888438 is a deficient number, since it is larger than the sum of its proper divisors (80047174).

134888438 is a wasteful number, since it uses less digits than its factorization.

134888438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233407 (or 233390 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 134888438 is about 11614.1481822818. The cubic root of 134888438 is about 512.8514351807.

The spelling of 134888438 in words is "one hundred thirty-four million, eight hundred eighty-eight thousand, four hundred thirty-eight".