26955139 has 2 divisors, whose sum is σ = 26955140. Its totient is φ = 26955138.

The previous prime is 26955101. The next prime is 26955169. The reversal of 26955139 is 93155962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26955139 is a prime.

It is not a weakly prime, because it can be changed into another prime (26955169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13477569 + 13477570.

It is an arithmetic number, because the mean of its divisors is an integer number (13477570).

Almost surely, 2^26955139 is an apocalyptic number.

26955139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26955139 is an equidigital number, since it uses as much as digits as its factorization.

26955139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 40.

The square root of 26955139 is about 5191.8338763870. The cubic root of 26955139 is about 299.8337560417.

The spelling of 26955139 in words is "twenty-six million, nine hundred fifty-five thousand, one hundred thirty-nine".