10138787 has 2 divisors, whose sum is σ = 10138788. Its totient is φ = 10138786.

The previous prime is 10138757. The next prime is 10138789. The reversal of 10138787 is 78783101.

10138787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10138787 - 2¹⁶ = 10073251 is a prime.

Together with 10138789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10138789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069393 + 5069394.

It is an arithmetic number, because the mean of its divisors is an integer number (5069394).

Almost surely, 2^10138787 is an apocalyptic number.

10138787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10138787 is an equidigital number, since it uses as much as digits as its factorization.

10138787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 10138787 is about 3184.1461963924. The cubic root of 10138787 is about 216.4355850587.

The spelling of 10138787 in words is "ten million, one hundred thirty-eight thousand, seven hundred eighty-seven".