7134481537 has 2 divisors, whose sum is σ = 7134481538. Its totient is φ = 7134481536.

The previous prime is 7134481517. The next prime is 7134481553. The reversal of 7134481537 is 7351844317.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6560352016 + 574129521 = 80996^2 + 23961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7134481537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7134481493 and 7134481502.

It is not a weakly prime, because it can be changed into another prime (7134481507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567240768 + 3567240769.

It is an arithmetic number, because the mean of its divisors is an integer number (3567240769).

Almost surely, 2^7134481537 is an apocalyptic number.

It is an amenable number.

7134481537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7134481537 is an equidigital number, since it uses as much as digits as its factorization.

7134481537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 7134481537 is about 84465.8601862315. The cubic root of 7134481537 is about 1925.1037476664.

It can be divided in two parts, 71344 and 81537, that added together give a square (152881 = 391²).

The spelling of 7134481537 in words is "seven billion, one hundred thirty-four million, four hundred eighty-one thousand, five hundred thirty-seven".