3200138 has 4 divisors (see below), whose sum is σ = 4800210. Its totient is φ = 1600068.

The previous prime is 3200137. The next prime is 3200149. The reversal of 3200138 is 8310023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8310023 = 47 ⋅176809.

It can be written as a sum of positive squares in only one way, i.e., 1776889 + 1423249 = 1333^2 + 1193^2 .

It is not an unprimeable number, because it can be changed into a prime (3200137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800033 + ... + 800036.

Almost surely, 2^3200138 is an apocalyptic number.

3200138 is a deficient number, since it is larger than the sum of its proper divisors (1600072).

3200138 is a wasteful number, since it uses less digits than its factorization.

3200138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600071.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3200138 is about 1788.8929537566. The cubic root of 3200138 is about 147.3633782333.

The spelling of 3200138 in words is "three million, two hundred thousand, one hundred thirty-eight".