26931142 has 8 divisors (see below), whose sum is σ = 46167696. Its totient is φ = 11541912.

The previous prime is 26931139. The next prime is 26931143. The reversal of 26931142 is 24113962.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26931142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26931143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961813 + ... + 961840.

It is an arithmetic number, because the mean of its divisors is an integer number (5770962).

Almost surely, 2^26931142 is an apocalyptic number.

26931142 is a deficient number, since it is larger than the sum of its proper divisors (19236554).

26931142 is a wasteful number, since it uses less digits than its factorization.

26931142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923662.

The product of its digits is 2592, while the sum is 28.

The square root of 26931142 is about 5189.5223286927. The cubic root of 26931142 is about 299.7447532623.

The spelling of 26931142 in words is "twenty-six million, nine hundred thirty-one thousand, one hundred forty-two".