26375138 has 4 divisors (see below), whose sum is σ = 39562710. Its totient is φ = 13187568.

The previous prime is 26375137. The next prime is 26375149. The reversal of 26375138 is 83157362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83157362 = 2 ⋅41578681.

It can be written as a sum of positive squares in only one way, i.e., 19651489 + 6723649 = 4433^2 + 2593^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26375098 and 26375107.

It is not an unprimeable number, because it can be changed into a prime (26375137) 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, 6593783 + ... + 6593786.

Almost surely, 2^26375138 is an apocalyptic number.

26375138 is a deficient number, since it is larger than the sum of its proper divisors (13187572).

26375138 is a wasteful number, since it uses less digits than its factorization.

26375138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13187571.

The product of its digits is 30240, while the sum is 35.

The square root of 26375138 is about 5135.6730814957. The cubic root of 26375138 is about 297.6676098100.

The spelling of 26375138 in words is "twenty-six million, three hundred seventy-five thousand, one hundred thirty-eight".