7820000142 has 16 divisors (see below), whose sum is σ = 15695662032. Its totient is φ = 2597389760.

The previous prime is 7820000099. The next prime is 7820000147. The reversal of 7820000142 is 2410000287.

It is a super-2 number, since 2×7820000142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7820000147) 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 7 ways as a sum of consecutive naturals, for example, 2317413 + ... + 2320784.

It is an arithmetic number, because the mean of its divisors is an integer number (980978877).

Almost surely, 2^7820000142 is an apocalyptic number.

7820000142 is an abundant number, since it is smaller than the sum of its proper divisors (7875661890).

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

7820000142 is a wasteful number, since it uses less digits than its factorization.

7820000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638483.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7820000142 is about 88430.7646806246. The cubic root of 7820000142 is about 1984.8860843162.

The spelling of 7820000142 in words is "seven billion, eight hundred twenty million, one hundred forty-two", and thus it is an aban number.