2705550139 has 2 divisors, whose sum is σ = 2705550140. Its totient is φ = 2705550138.

The previous prime is 2705550101. The next prime is 2705550173. The reversal of 2705550139 is 9310555072.

It is a happy number.

2705550139 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 2705550139 - 2¹³ = 2705541947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2705550098 and 2705550107.

It is not a weakly prime, because it can be changed into another prime (2705550179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352775069 + 1352775070.

It is an arithmetic number, because the mean of its divisors is an integer number (1352775070).

Almost surely, 2^2705550139 is an apocalyptic number.

2705550139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705550139 is an equidigital number, since it uses as much as digits as its factorization.

2705550139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 2705550139 is about 52014.9030471076. The cubic root of 2705550139 is about 1393.4301253254.

The spelling of 2705550139 in words is "two billion, seven hundred five million, five hundred fifty thousand, one hundred thirty-nine".