7135522130537 has 8 divisors (see below), whose sum is σ = 7282754576136. Its totient is φ = 6988756349952.

The previous prime is 7135522130449. The next prime is 7135522130563. The reversal of 7135522130537 is 7350312255317.

It can be written as a sum of positive squares in 4 ways, for example, as 3844505269081 + 3291016861456 = 1960741^2 + 1814116^2 .

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

It is not a de Polignac number, because 7135522130537 - 2³⁰ = 7134448388713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7135522330537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116635358 + ... + 116696519.

It is an arithmetic number, because the mean of its divisors is an integer number (910344322017).

Almost surely, 2^{7135522130537} is an apocalyptic number.

It is an amenable number.

7135522130537 is a deficient number, since it is larger than the sum of its proper divisors (147232445599).

7135522130537 is a wasteful number, since it uses less digits than its factorization.

7135522130537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233332507.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 7135522130537 in words is "seven trillion, one hundred thirty-five billion, five hundred twenty-two million, one hundred thirty thousand, five hundred thirty-seven".