10516138 has 8 divisors (see below), whose sum is σ = 15843780. Its totient is φ = 5234880.

The previous prime is 10516127. The next prime is 10516141. The reversal of 10516138 is 83161501.

It can be written as a sum of positive squares in 2 ways, for example, as 9223369 + 1292769 = 3037^2 + 1137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10516138² = 221178316870088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11023 + ... + 11938.

Almost surely, 2^10516138 is an apocalyptic number.

10516138 is a deficient number, since it is larger than the sum of its proper divisors (5327642).

10516138 is a wasteful number, since it uses less digits than its factorization.

10516138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 10516138 is about 3242.8595405907. The cubic root of 10516138 is about 219.0880847751.

Adding to 10516138 its reverse (83161501), we get a palindrome (93677639).

The spelling of 10516138 in words is "ten million, five hundred sixteen thousand, one hundred thirty-eight".