6381142 has 4 divisors (see below), whose sum is σ = 9571716. Its totient is φ = 3190570.

The previous prime is 6381139. The next prime is 6381191. The reversal of 6381142 is 2411836.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595284 + ... + 1595287.

It is an arithmetic number, because the mean of its divisors is an integer number (2392929).

Almost surely, 2^6381142 is an apocalyptic number.

6381142 is a deficient number, since it is larger than the sum of its proper divisors (3190574).

6381142 is a wasteful number, since it uses less digits than its factorization.

6381142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190573.

The product of its digits is 1152, while the sum is 25.

The square root of 6381142 is about 2526.0922390127. The cubic root of 6381142 is about 185.4810175212.

Adding to 6381142 its reverse (2411836), we get a palindrome (8792978).

The spelling of 6381142 in words is "six million, three hundred eighty-one thousand, one hundred forty-two".