1042139068 has 12 divisors (see below), whose sum is σ = 1824489520. Its totient is φ = 520856352.

The previous prime is 1042139057. The next prime is 1042139069. The reversal of 1042139068 is 8609312401.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042139069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42033 + ... + 62056.

Almost surely, 2^1042139068 is an apocalyptic number.

It is an amenable number.

1042139068 is a deficient number, since it is larger than the sum of its proper divisors (782350452).

1042139068 is a wasteful number, since it uses less digits than its factorization.

1042139068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106596 (or 106594 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1042139068 is about 32282.1787988357. The cubic root of 1042139068 is about 1013.8535489208.

The spelling of 1042139068 in words is "one billion, forty-two million, one hundred thirty-nine thousand, sixty-eight".