26963138 has 4 divisors (see below), whose sum is σ = 40444710. Its totient is φ = 13481568.

The previous prime is 26963137. The next prime is 26963141. The reversal of 26963138 is 83136962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83136962 = 2 ⋅41568481.

It can be written as a sum of positive squares in only one way, i.e., 23980609 + 2982529 = 4897^2 + 1727^2 .

It is not an unprimeable number, because it can be changed into a prime (26963137) 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, 6740783 + ... + 6740786.

Almost surely, 2^26963138 is an apocalyptic number.

26963138 is a deficient number, since it is larger than the sum of its proper divisors (13481572).

26963138 is a wasteful number, since it uses less digits than its factorization.

26963138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481571.

The product of its digits is 46656, while the sum is 38.

The square root of 26963138 is about 5192.6041636158. The cubic root of 26963138 is about 299.8634118958.

The spelling of 26963138 in words is "twenty-six million, nine hundred sixty-three thousand, one hundred thirty-eight".