10138756 has 6 divisors (see below), whose sum is σ = 17742830. Its totient is φ = 5069376.

The previous prime is 10138753. The next prime is 10138757. The reversal of 10138756 is 65783101.

It can be written as a sum of positive squares in only one way, i.e., 10137856 + 900 = 3184^2 + 30^2 .

It is not an unprimeable number, because it can be changed into a prime (10138753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267341 + ... + 1267348.

Almost surely, 2^10138756 is an apocalyptic number.

It is an amenable number.

10138756 is a deficient number, since it is larger than the sum of its proper divisors (7604074).

10138756 is a wasteful number, since it uses less digits than its factorization.

10138756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534693 (or 2534691 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10138756 is about 3184.1413285217. The cubic root of 10138756 is about 216.4353644699.

The spelling of 10138756 in words is "ten million, one hundred thirty-eight thousand, seven hundred fifty-six".