26169139 has 2 divisors, whose sum is σ = 26169140. Its totient is φ = 26169138.

The previous prime is 26169133. The next prime is 26169149. The reversal of 26169139 is 93196162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26169139 - 2³ = 26169131 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26169098 and 26169107.

It is not a weakly prime, because it can be changed into another prime (26169131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13084569 + 13084570.

It is an arithmetic number, because the mean of its divisors is an integer number (13084570).

Almost surely, 2^26169139 is an apocalyptic number.

26169139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26169139 is an equidigital number, since it uses as much as digits as its factorization.

26169139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 26169139 is about 5115.5780709515. The cubic root of 26169139 is about 296.8906209177.

The spelling of 26169139 in words is "twenty-six million, one hundred sixty-nine thousand, one hundred thirty-nine".