7925146142 has 4 divisors (see below), whose sum is σ = 11887719216. Its totient is φ = 3962573070.

The previous prime is 7925146123. The next prime is 7925146147. The reversal of 7925146142 is 2416415297.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7925146142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925146147) by changing a digit.

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 as a sum of consecutive naturals, namely, 1981286534 + ... + 1981286537.

It is an arithmetic number, because the mean of its divisors is an integer number (2971929804).

Almost surely, 2^7925146142 is an apocalyptic number.

7925146142 is a deficient number, since it is larger than the sum of its proper divisors (3962573074).

7925146142 is a wasteful number, since it uses less digits than its factorization.

7925146142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962573073.

The product of its digits is 120960, while the sum is 41.

The square root of 7925146142 is about 89023.2898852879. The cubic root of 7925146142 is about 1993.7426215245.

The spelling of 7925146142 in words is "seven billion, nine hundred twenty-five million, one hundred forty-six thousand, one hundred forty-two".