7136799985 has 8 divisors (see below), whose sum is σ = 9787611456. Its totient is φ = 4893805680.

The previous prime is 7136799983. The next prime is 7136799991. The reversal of 7136799985 is 5899976317.

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

It is not a de Polignac number, because 7136799985 - 2¹ = 7136799983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7136799983) 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, 101954251 + ... + 101954320.

It is an arithmetic number, because the mean of its divisors is an integer number (1223451432).

Almost surely, 2^7136799985 is an apocalyptic number.

It is an amenable number.

7136799985 is a deficient number, since it is larger than the sum of its proper divisors (2650811471).

7136799985 is a wasteful number, since it uses less digits than its factorization.

7136799985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203908583.

The product of its digits is 25719120, while the sum is 64.

The square root of 7136799985 is about 84479.5832435270. The cubic root of 7136799985 is about 1925.3122547379.

The spelling of 7136799985 in words is "seven billion, one hundred thirty-six million, seven hundred ninety-nine thousand, nine hundred eighty-five".