4138537932 has 36 divisors (see below), whose sum is σ = 10476123840. Its totient is φ = 1377558432.

The previous prime is 4138537903. The next prime is 4138538009. The reversal of 4138537932 is 2397358314.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55548 + ... + 106595.

It is an arithmetic number, because the mean of its divisors is an integer number (291003440).

Almost surely, 2^4138537932 is an apocalyptic number.

It is an amenable number.

4138537932 is an abundant number, since it is smaller than the sum of its proper divisors (6337585908).

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

4138537932 is a wasteful number, since it uses less digits than its factorization.

4138537932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162862 (or 162857 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 4138537932 is about 64331.4692199704. The cubic root of 4138537932 is about 1605.5197292003.

The spelling of 4138537932 in words is "four billion, one hundred thirty-eight million, five hundred thirty-seven thousand, nine hundred thirty-two".