10138765739 has 4 divisors (see below), whose sum is σ = 10179159480. Its totient is φ = 10098372000.

The previous prime is 10138765657. The next prime is 10138765801. The reversal of 10138765739 is 93756783101.

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 10138765739 - 2¹⁶ = 10138700203 is a prime.

It is a super-2 number, since 2×10138765739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10138761739) 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, 20196494 + ... + 20196995.

It is an arithmetic number, because the mean of its divisors is an integer number (2544789870).

Almost surely, 2^10138765739 is an apocalyptic number.

10138765739 is a deficient number, since it is larger than the sum of its proper divisors (40393741).

10138765739 is an equidigital number, since it uses as much as digits as its factorization.

10138765739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40393740.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 10138765739 in words is "ten billion, one hundred thirty-eight million, seven hundred sixty-five thousand, seven hundred thirty-nine".