26965139 has 2 divisors, whose sum is σ = 26965140. Its totient is φ = 26965138.

The previous prime is 26965129. The next prime is 26965151. The reversal of 26965139 is 93156962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26965139 - 2¹⁶ = 26899603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26965096 and 26965105.

It is not a weakly prime, because it can be changed into another prime (26965109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13482569 + 13482570.

It is an arithmetic number, because the mean of its divisors is an integer number (13482570).

Almost surely, 2^26965139 is an apocalyptic number.

26965139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26965139 is an equidigital number, since it uses as much as digits as its factorization.

26965139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 26965139 is about 5192.7968379285. The cubic root of 26965139 is about 299.8708295765.

The spelling of 26965139 in words is "twenty-six million, nine hundred sixty-five thousand, one hundred thirty-nine".