10139080249 has 3 divisors (see below), whose sum is σ = 10139180943. Its totient is φ = 10138979556.

The previous prime is 10139080247. The next prime is 10139080267. The reversal of 10139080249 is 94208093101.

The square root of 10139080249 is 100693.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94208093101 = 3371 ⋅27946631.

It can be written as a sum of positive squares in only one way, i.e., 2902515625 + 7236564624 = 53875^2 + 85068^2 .

It is not a de Polignac number, because 10139080249 - 2¹ = 10139080247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10139080247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50347 + ... + 151039.

It is an arithmetic number, because the mean of its divisors is an integer number (3379726981).

Almost surely, 2^10139080249 is an apocalyptic number.

10139080249 is the 100693-rd square number.

10139080249 is the 50347-th centered octagonal number.

It is an amenable number.

10139080249 is a deficient number, since it is larger than the sum of its proper divisors (100694).

10139080249 is an frugal number, since it uses more digits than its factorization.

10139080249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201386 (or 100693 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 10139080249 in words is "ten billion, one hundred thirty-nine million, eighty thousand, two hundred forty-nine".