26769139 has 2 divisors, whose sum is σ = 26769140. Its totient is φ = 26769138.

The previous prime is 26769133. The next prime is 26769181. The reversal of 26769139 is 93196762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26769139 - 2³ = 26769131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26769095 and 26769104.

It is not a weakly prime, because it can be changed into another prime (26769131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13384569 + 13384570.

It is an arithmetic number, because the mean of its divisors is an integer number (13384570).

Almost surely, 2^26769139 is an apocalyptic number.

26769139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26769139 is an equidigital number, since it uses as much as digits as its factorization.

26769139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 26769139 is about 5173.8901225287. The cubic root of 26769139 is about 299.1425106344.

The spelling of 26769139 in words is "twenty-six million, seven hundred sixty-nine thousand, one hundred thirty-nine".