26139922 has 8 divisors (see below), whose sum is σ = 39234096. Its totient is φ = 13061892.

The previous prime is 26139899. The next prime is 26139941. The reversal of 26139922 is 22993162.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1573 + ... + 7399.

It is an arithmetic number, because the mean of its divisors is an integer number (4904262).

Almost surely, 2^26139922 is an apocalyptic number.

26139922 is a deficient number, since it is larger than the sum of its proper divisors (13094174).

26139922 is a wasteful number, since it uses less digits than its factorization.

26139922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072.

The product of its digits is 11664, while the sum is 34.

The square root of 26139922 is about 5112.7215844401. The cubic root of 26139922 is about 296.7800901706.

The spelling of 26139922 in words is "twenty-six million, one hundred thirty-nine thousand, nine hundred twenty-two".