7156127742 has 16 divisors (see below), whose sum is σ = 14313121680. Its totient is φ = 2385231552.

The previous prime is 7156127707. The next prime is 7156127777. The reversal of 7156127742 is 2477216517.

It is an interprime number because it is at equal distance from previous prime (7156127707) and next prime (7156127777).

It is a junction number, because it is equal to n+sod(n) for n = 7156127694 and 7156127703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130368 + ... + 176940.

It is an arithmetic number, because the mean of its divisors is an integer number (894570105).

Almost surely, 2^7156127742 is an apocalyptic number.

7156127742 is an abundant number, since it is smaller than the sum of its proper divisors (7156993938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7156127742 is a wasteful number, since it uses less digits than its factorization.

7156127742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72187.

The product of its digits is 164640, while the sum is 42.

The square root of 7156127742 is about 84593.8989644052. The cubic root of 7156127742 is about 1927.0487204588.

The spelling of 7156127742 in words is "seven billion, one hundred fifty-six million, one hundred twenty-seven thousand, seven hundred forty-two".