10138807 has 4 divisors (see below), whose sum is σ = 11587216. Its totient is φ = 8690400.

The previous prime is 10138801. The next prime is 10138811. The reversal of 10138807 is 70883101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10138807 - 2¹⁹ = 9614519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724194 + ... + 724207.

It is an arithmetic number, because the mean of its divisors is an integer number (2896804).

Almost surely, 2^10138807 is an apocalyptic number.

10138807 is a deficient number, since it is larger than the sum of its proper divisors (1448409).

10138807 is an equidigital number, since it uses as much as digits as its factorization.

10138807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448408.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 10138807 is about 3184.1493369501. The cubic root of 10138807 is about 216.4357273739.

The spelling of 10138807 in words is "ten million, one hundred thirty-eight thousand, eight hundred seven".