26136945 has 16 divisors (see below), whose sum is σ = 46465920. Its totient is φ = 13939632.

The previous prime is 26136931. The next prime is 26136953. The reversal of 26136945 is 54963162.

It is a happy number.

It is not a de Polignac number, because 26136945 - 2⁹ = 26136433 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 96669 + ... + 96938.

It is an arithmetic number, because the mean of its divisors is an integer number (2904120).

Almost surely, 2^26136945 is an apocalyptic number.

It is an amenable number.

26136945 is a deficient number, since it is larger than the sum of its proper divisors (20328975).

26136945 is a wasteful number, since it uses less digits than its factorization.

26136945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193621 (or 193615 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 26136945 is about 5112.4304396246. The cubic root of 26136945 is about 296.7688232679.

The spelling of 26136945 in words is "twenty-six million, one hundred thirty-six thousand, nine hundred forty-five".