5631142 has 8 divisors (see below), whose sum is σ = 9214632. Its totient is φ = 2559600.

The previous prime is 5631121. The next prime is 5631169. The reversal of 5631142 is 2411365.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 255961 = 5631142 / (5 + 6 + 3 + 1 + 1 + 4 + 2).

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 in 3 ways as a sum of consecutive naturals, for example, 127959 + ... + 128002.

It is an arithmetic number, because the mean of its divisors is an integer number (1151829).

Almost surely, 2^5631142 is an apocalyptic number.

5631142 is a deficient number, since it is larger than the sum of its proper divisors (3583490).

5631142 is a wasteful number, since it uses less digits than its factorization.

5631142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255974.

The product of its digits is 720, while the sum is 22.

The square root of 5631142 is about 2373.0027391472. The cubic root of 5631142 is about 177.9093718676.

The spelling of 5631142 in words is "five million, six hundred thirty-one thousand, one hundred forty-two".