7136081280 has 96 divisors (see below), whose sum is σ = 24641800560. Its totient is φ = 1902953472.

The previous prime is 7136081273. The next prime is 7136081333. The reversal of 7136081280 is 821806317.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 613692 + ... + 625211.

Almost surely, 2^7136081280 is an apocalyptic number.

It is an amenable number.

7136081280 is an abundant number, since it is smaller than the sum of its proper divisors (17505719280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7136081280 is a wasteful number, since it uses less digits than its factorization.

7136081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238928 (or 1238913 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 7136081280 is about 84475.3294163450. The cubic root of 7136081280 is about 1925.2476236241.

Adding to 7136081280 its reverse (821806317), we get a palindrome (7957887597).

The spelling of 7136081280 in words is "seven billion, one hundred thirty-six million, eighty-one thousand, two hundred eighty".