7136506453 has 4 divisors (see below), whose sum is σ = 7310567628. Its totient is φ = 6962445280.

The previous prime is 7136506451. The next prime is 7136506463. The reversal of 7136506453 is 3546056317.

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 213101604 + 6923404849 = 14598^2 + 83207^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136506453 - 2¹ = 7136506451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7136506451) 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, 87030526 + ... + 87030607.

It is an arithmetic number, because the mean of its divisors is an integer number (1827641907).

Almost surely, 2^7136506453 is an apocalyptic number.

It is an amenable number.

7136506453 is a deficient number, since it is larger than the sum of its proper divisors (174061175).

7136506453 is a wasteful number, since it uses less digits than its factorization.

7136506453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174061174.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 7136506453 is about 84477.8459301609. The cubic root of 7136506453 is about 1925.2858587572.

The spelling of 7136506453 in words is "seven billion, one hundred thirty-six million, five hundred six thousand, four hundred fifty-three".