7138142546812 has 12 divisors (see below), whose sum is σ = 12491856744136. Its totient is φ = 3569040619920.

The previous prime is 7138142546803. The next prime is 7138142546813. The reversal of 7138142546812 is 2186452418317.

It is a super-2 number, since 2×7138142546812² (a number of 27 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 7138142546812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138142546813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7135383 + ... + 8074030.

Almost surely, 2^{7138142546812} is an apocalyptic number.

It is an amenable number.

7138142546812 is a deficient number, since it is larger than the sum of its proper divisors (5353714197324).

7138142546812 is a wasteful number, since it uses less digits than its factorization.

7138142546812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326748 (or 15326746 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 52.

The spelling of 7138142546812 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-two million, five hundred forty-six thousand, eight hundred twelve".