26863142 has 4 divisors (see below), whose sum is σ = 40294716. Its totient is φ = 13431570.

The previous prime is 26863139. The next prime is 26863153. The reversal of 26863142 is 24136862.

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

It is a super-2 number, since 2×26863142² = 1443256796224328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26863099 and 26863108.

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, 6715784 + ... + 6715787.

It is an arithmetic number, because the mean of its divisors is an integer number (10073679).

Almost surely, 2^26863142 is an apocalyptic number.

26863142 is a deficient number, since it is larger than the sum of its proper divisors (13431574).

26863142 is a wasteful number, since it uses less digits than its factorization.

26863142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431573.

The product of its digits is 13824, while the sum is 32.

The square root of 26863142 is about 5182.9665250704. The cubic root of 26863142 is about 299.4922596692.

The spelling of 26863142 in words is "twenty-six million, eight hundred sixty-three thousand, one hundred forty-two".