7138123640482 has 8 divisors (see below), whose sum is σ = 10707196871376. Its totient is φ = 3569058016692.

The previous prime is 7138123640449. The next prime is 7138123640513. The reversal of 7138123640482 is 2840463218317.

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

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, 2306733 + ... + 4426879.

It is an arithmetic number, because the mean of its divisors is an integer number (1338399608922).

Almost surely, 2^{7138123640482} is an apocalyptic number.

7138123640482 is a deficient number, since it is larger than the sum of its proper divisors (3569073230894).

7138123640482 is a wasteful number, since it uses less digits than its factorization.

7138123640482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803552.

The product of its (nonzero) digits is 1548288, while the sum is 49.

Adding to 7138123640482 its reverse (2840463218317), we get a palindrome (9978586858799).

The spelling of 7138123640482 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty-three million, six hundred forty thousand, four hundred eighty-two".