1408142 has 8 divisors (see below), whose sum is σ = 2133432. Its totient is φ = 697000.

The previous prime is 1408123. The next prime is 1408151. The reversal of 1408142 is 2418041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (266679).

2^1408142 is an apocalyptic number.

1408142 is a deficient number, since it is larger than the sum of its proper divisors (725290).

1408142 is a wasteful number, since it uses less digits than its factorization.

1408142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074.

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

The square root of 1408142 is about 1186.6515916645. The cubic root of 1408142 is about 112.0853409934.

The spelling of 1408142 in words is "one million, four hundred eight thousand, one hundred forty-two".