10138511 has 8 divisors (see below), whose sum is σ = 10964160. Its totient is φ = 9338368.

The previous prime is 10138489. The next prime is 10138523. The reversal of 10138511 is 11583101.

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

It is a cyclic number.

It is not a de Polignac number, because 10138511 - 2¹⁰ = 10137487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5546 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (1370520).

Almost surely, 2^10138511 is an apocalyptic number.

10138511 is a deficient number, since it is larger than the sum of its proper divisors (825649).

10138511 is a wasteful number, since it uses less digits than its factorization.

10138511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 10138511 is about 3184.1028563789. The cubic root of 10138511 is about 216.4336210906.

The spelling of 10138511 in words is "ten million, one hundred thirty-eight thousand, five hundred eleven".