5207138 has 4 divisors (see below), whose sum is σ = 7810710. Its totient is φ = 2603568.

The previous prime is 5207129. The next prime is 5207149. The reversal of 5207138 is 8317025.

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., 4609609 + 597529 = 2147^2 + 773^2 .

It is a super-2 number, since 2×5207138² = 54228572302088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301783 + ... + 1301786.

Almost surely, 2^5207138 is an apocalyptic number.

5207138 is a deficient number, since it is larger than the sum of its proper divisors (2603572).

5207138 is a wasteful number, since it uses less digits than its factorization.

5207138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603571.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5207138 is about 2281.9154234984. The cubic root of 5207138 is about 173.3270568076.

The spelling of 5207138 in words is "five million, two hundred seven thousand, one hundred thirty-eight".