7136661353 has 4 divisors (see below), whose sum is σ = 7556464980. Its totient is φ = 6716857728.

The previous prime is 7136661331. The next prime is 7136661377. The reversal of 7136661353 is 3531666317.

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 5039296144 + 2097365209 = 70988^2 + 45797^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136661353 - 2⁶ = 7136661289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7136661353.

It is not an unprimeable number, because it can be changed into a prime (7136661253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209901788 + ... + 209901821.

It is an arithmetic number, because the mean of its divisors is an integer number (1889116245).

Almost surely, 2^7136661353 is an apocalyptic number.

It is an amenable number.

7136661353 is a deficient number, since it is larger than the sum of its proper divisors (419803627).

7136661353 is a wasteful number, since it uses less digits than its factorization.

7136661353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419803626.

The product of its digits is 204120, while the sum is 41.

The square root of 7136661353 is about 84478.7627336007. The cubic root of 7136661353 is about 1925.2997882909.

The spelling of 7136661353 in words is "seven billion, one hundred thirty-six million, six hundred sixty-one thousand, three hundred fifty-three".