3149138 has 4 divisors (see below), whose sum is σ = 4723710. Its totient is φ = 1574568.

The previous prime is 3149129. The next prime is 3149143. The reversal of 3149138 is 8319413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2362369 + 786769 = 1537^2 + 887^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3149138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787283 + ... + 787286.

Almost surely, 2^3149138 is an apocalyptic number.

3149138 is a deficient number, since it is larger than the sum of its proper divisors (1574572).

3149138 is a wasteful number, since it uses less digits than its factorization.

3149138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574571.

The product of its digits is 2592, while the sum is 29.

The square root of 3149138 is about 1774.5810773250. The cubic root of 3149138 is about 146.5763482034.

The spelling of 3149138 in words is "three million, one hundred forty-nine thousand, one hundred thirty-eight".