10687138 has 32 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 4018560.

The previous prime is 10687129. The next prime is 10687153. The reversal of 10687138 is 83178601.

It is a super-2 number, since 2×10687138² = 228429837262088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270 + ... + 5662.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^10687138 is an apocalyptic number.

10687138 is a deficient number, since it is larger than the sum of its proper divisors (9997022).

10687138 is a wasteful number, since it uses less digits than its factorization.

10687138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 10687138 is about 3269.1188415229. The cubic root of 10687138 is about 220.2692158784.

The spelling of 10687138 in words is "ten million, six hundred eighty-seven thousand, one hundred thirty-eight".