2065140026 has 4 divisors (see below), whose sum is σ = 3097710042. Its totient is φ = 1032570012.

The previous prime is 2065140019. The next prime is 2065140037. The reversal of 2065140026 is 6200415602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6200415602 = 2 ⋅3100207801.

It can be written as a sum of positive squares in only one way, i.e., 2051999401 + 13140625 = 45299^2 + 3625^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2065139977 and 2065140004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516285005 + ... + 516285008.

Almost surely, 2^2065140026 is an apocalyptic number.

2065140026 is a deficient number, since it is larger than the sum of its proper divisors (1032570016).

2065140026 is a wasteful number, since it uses less digits than its factorization.

2065140026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032570015.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2065140026 is about 45443.8117459352. The cubic root of 2065140026 is about 1273.4537248235.

Adding to 2065140026 its reverse (6200415602), we get a palindrome (8265555628).

The spelling of 2065140026 in words is "two billion, sixty-five million, one hundred forty thousand, twenty-six".