5315138 has 4 divisors (see below), whose sum is σ = 7972710. Its totient is φ = 2657568.

The previous prime is 5315099. The next prime is 5315143. The reversal of 5315138 is 8315135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8315135 = 5 ⋅1663027.

It can be written as a sum of positive squares in only one way, i.e., 5031049 + 284089 = 2243^2 + 533^2 .

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328783 + ... + 1328786.

Almost surely, 2^5315138 is an apocalyptic number.

5315138 is a deficient number, since it is larger than the sum of its proper divisors (2657572).

5315138 is a wasteful number, since it uses less digits than its factorization.

5315138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657571.

The product of its digits is 1800, while the sum is 26.

The square root of 5315138 is about 2305.4583058472. The cubic root of 5315138 is about 174.5171779708.

The spelling of 5315138 in words is "five million, three hundred fifteen thousand, one hundred thirty-eight".