1002839142 has 16 divisors (see below), whose sum is σ = 2007039600. Its totient is φ = 334052832.

The previous prime is 1002839137. The next prime is 1002839143. The reversal of 1002839142 is 2419382001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002839143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47017 + ... + 64932.

It is an arithmetic number, because the mean of its divisors is an integer number (125439975).

Almost surely, 2^1002839142 is an apocalyptic number.

1002839142 is an abundant number, since it is smaller than the sum of its proper divisors (1004200458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002839142 is a wasteful number, since it uses less digits than its factorization.

1002839142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113447.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1002839142 is about 31667.6355606161. The cubic root of 1002839142 is about 1000.9454864403.

The spelling of 1002839142 in words is "one billion, two million, eight hundred thirty-nine thousand, one hundred forty-two".