10138863539 has 8 divisors (see below), whose sum is σ = 11591112288. Its totient is φ = 8687574720.

The previous prime is 10138863491. The next prime is 10138863551. The reversal of 10138863539 is 93536883101.

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 10138863539 - 2⁸ = 10138863283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10138863493 and 10138863502.

It is not an unprimeable number, because it can be changed into a prime (10138863439) 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, 217202 + ... + 259719.

It is an arithmetic number, because the mean of its divisors is an integer number (1448889036).

Almost surely, 2^10138863539 is an apocalyptic number.

10138863539 is a deficient number, since it is larger than the sum of its proper divisors (1452248749).

10138863539 is an equidigital number, since it uses as much as digits as its factorization.

10138863539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479965.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 10138863539 in words is "ten billion, one hundred thirty-eight million, eight hundred sixty-three thousand, five hundred thirty-nine".