7182021142 has 8 divisors (see below), whose sum is σ = 10793631816. Its totient is φ = 3584143872.

The previous prime is 7182021097. The next prime is 7182021173. The reversal of 7182021142 is 2411202817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7182021142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3432043 + ... + 3434134.

It is an arithmetic number, because the mean of its divisors is an integer number (1349203977).

Almost surely, 2^7182021142 is an apocalyptic number.

7182021142 is a deficient number, since it is larger than the sum of its proper divisors (3611610674).

7182021142 is a wasteful number, since it uses less digits than its factorization.

7182021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866702.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 7182021142 is about 84746.8060873093. The cubic root of 7182021142 is about 1929.3701706035.

Adding to 7182021142 its reverse (2411202817), we get a palindrome (9593223959).

The spelling of 7182021142 in words is "seven billion, one hundred eighty-two million, twenty-one thousand, one hundred forty-two".