26859142 has 4 divisors (see below), whose sum is σ = 40288716. Its totient is φ = 13429570.

The previous prime is 26859139. The next prime is 26859163. The reversal of 26859142 is 24195862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6714784 + ... + 6714787.

It is an arithmetic number, because the mean of its divisors is an integer number (10072179).

Almost surely, 2^26859142 is an apocalyptic number.

26859142 is a deficient number, since it is larger than the sum of its proper divisors (13429574).

26859142 is a wasteful number, since it uses less digits than its factorization.

26859142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13429573.

The product of its digits is 34560, while the sum is 37.

The square root of 26859142 is about 5182.5806313071. The cubic root of 26859142 is about 299.4773938417.

The spelling of 26859142 in words is "twenty-six million, eight hundred fifty-nine thousand, one hundred forty-two".