7138140857158 has 4 divisors (see below), whose sum is σ = 10707211285740. Its totient is φ = 3569070428578.

The previous prime is 7138140857149. The next prime is 7138140857161. The reversal of 7138140857158 is 8517580418317.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1784535214288 + ... + 1784535214291.

It is an arithmetic number, because the mean of its divisors is an integer number (2676802821435).

Almost surely, 2^{7138140857158} is an apocalyptic number.

7138140857158 is a deficient number, since it is larger than the sum of its proper divisors (3569070428582).

7138140857158 is a wasteful number, since it uses less digits than its factorization.

7138140857158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569070428581.

The product of its (nonzero) digits is 7526400, while the sum is 58.

The spelling of 7138140857158 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty million, eight hundred fifty-seven thousand, one hundred fifty-eight".