7141664137 has 4 divisors (see below), whose sum is σ = 7167446596. Its totient is φ = 7115881680.

The previous prime is 7141664119. The next prime is 7141664141. The reversal of 7141664137 is 7314661417.

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

It can be written as a sum of positive squares in 2 ways, for example, as 910772041 + 6230892096 = 30179^2 + 78936^2 .

It is a cyclic number.

It is not a de Polignac number, because 7141664137 - 2¹⁵ = 7141631369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7141664137.

It is not an unprimeable number, because it can be changed into a prime (7141668137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12890814 + ... + 12891367.

It is an arithmetic number, because the mean of its divisors is an integer number (1791861649).

Almost surely, 2^7141664137 is an apocalyptic number.

It is an amenable number.

7141664137 is a deficient number, since it is larger than the sum of its proper divisors (25782459).

7141664137 is a wasteful number, since it uses less digits than its factorization.

7141664137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25782458.

The product of its digits is 84672, while the sum is 40.

The square root of 7141664137 is about 84508.3672602897. The cubic root of 7141664137 is about 1925.7495601912.

The spelling of 7141664137 in words is "seven billion, one hundred forty-one million, six hundred sixty-four thousand, one hundred thirty-seven".