7842000142 has 16 divisors (see below), whose sum is σ = 12884423760. Its totient is φ = 3563099008.

The previous prime is 7842000139. The next prime is 7842000217. The reversal of 7842000142 is 2410002487.

It is a super-2 number, since 2×7842000142² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7842000142.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3975688 + ... + 3977659.

It is an arithmetic number, because the mean of its divisors is an integer number (805276485).

Almost surely, 2^7842000142 is an apocalyptic number.

7842000142 is a deficient number, since it is larger than the sum of its proper divisors (5042423618).

7842000142 is a wasteful number, since it uses less digits than its factorization.

7842000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953395.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 7842000142 is about 88555.0684150828. The cubic root of 7842000142 is about 1986.7457009845.

The spelling of 7842000142 in words is "seven billion, eight hundred forty-two million, one hundred forty-two", and thus it is an aban number.