5138690 has 16 divisors (see below), whose sum is σ = 9280440. Its totient is φ = 2048640.

The previous prime is 5138687. The next prime is 5138717. The reversal of 5138690 is 968315.

It can be written as a sum of positive squares in 4 ways, for example, as 4541161 + 597529 = 2131^2 + 773^2 .

It is a super-2 number, since 2×5138690² = 52812269832200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 4550.

Almost surely, 2^5138690 is an apocalyptic number.

5138690 is a deficient number, since it is larger than the sum of its proper divisors (4141750).

5138690 is a wasteful number, since it uses less digits than its factorization.

5138690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5138690 is about 2266.8678832257. The cubic root of 5138690 is about 172.5642412831.

The spelling of 5138690 in words is "five million, one hundred thirty-eight thousand, six hundred ninety".