10840142 has 16 divisors (see below), whose sum is σ = 17366400. Its totient is φ = 5063520.

The previous prime is 10840117. The next prime is 10840147. The reversal of 10840142 is 24104801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10840147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (1085400).

Almost surely, 2^10840142 is an apocalyptic number.

10840142 is a deficient number, since it is larger than the sum of its proper divisors (6526258).

10840142 is a wasteful number, since it uses less digits than its factorization.

10840142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 10840142 is about 3292.4370912745. The cubic root of 10840142 is about 221.3154113043.

Adding to 10840142 its reverse (24104801), we get a palindrome (34944943).

The spelling of 10840142 in words is "ten million, eight hundred forty thousand, one hundred forty-two".