1010139842 has 16 divisors (see below), whose sum is σ = 1533840000. Its totient is φ = 498888720.

The previous prime is 1010139833. The next prime is 1010139857. The reversal of 1010139842 is 2489310101.

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 7 ways as a sum of consecutive naturals, for example, 65159 + ... + 79157.

It is an arithmetic number, because the mean of its divisors is an integer number (95865000).

Almost surely, 2^1010139842 is an apocalyptic number.

1010139842 is a deficient number, since it is larger than the sum of its proper divisors (523700158).

1010139842 is a wasteful number, since it uses less digits than its factorization.

1010139842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14441.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1010139842 is about 31782.6972109039. The cubic root of 1010139842 is about 1003.3685872120.

Adding to 1010139842 its reverse (2489310101), we get a palindrome (3499449943).

The spelling of 1010139842 in words is "one billion, ten million, one hundred thirty-nine thousand, eight hundred forty-two".