134139432 has 64 divisors (see below), whose sum is σ = 386334720. Its totient is φ = 38017728.

The previous prime is 134139431. The next prime is 134139437. The reversal of 134139432 is 234931431.

It is a self number, because there is not a number n which added to its sum of digits gives 134139432.

It is not an unprimeable number, because it can be changed into a prime (134139431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18193 + ... + 24479.

It is an arithmetic number, because the mean of its divisors is an integer number (6036480).

Almost surely, 2^134139432 is an apocalyptic number.

134139432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134139432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193167360).

134139432 is an abundant number, since it is smaller than the sum of its proper divisors (252195288).

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

134139432 is a wasteful number, since it uses less digits than its factorization.

134139432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430 (or 6426 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 134139432 is about 11581.8578820498. The cubic root of 134139432 is about 511.9004221222.

The spelling of 134139432 in words is "one hundred thirty-four million, one hundred thirty-nine thousand, four hundred thirty-two".