10540122239 has 4 divisors (see below), whose sum is σ = 10903574760. Its totient is φ = 10176669720.

The previous prime is 10540122223. The next prime is 10540122259. The reversal of 10540122239 is 93222104501.

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 10540122239 - 2⁴ = 10540122223 is a prime.

It is a super-2 number, since 2×10540122239² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 363452491 = 10540122239 / (1 + 0 + 5 + 4 + 0 + 1 + 2 + 2 + 2 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10540122259) 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, 181726217 + ... + 181726274.

It is an arithmetic number, because the mean of its divisors is an integer number (2725893690).

Almost surely, 2^10540122239 is an apocalyptic number.

10540122239 is a deficient number, since it is larger than the sum of its proper divisors (363452521).

10540122239 is an equidigital number, since it uses as much as digits as its factorization.

10540122239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363452520.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 10540122239 in words is "ten billion, five hundred forty million, one hundred twenty-two thousand, two hundred thirty-nine".