7485191136 has 36 divisors (see below), whose sum is σ = 21286013112. Its totient is φ = 2495063616.

The previous prime is 7485191123. The next prime is 7485191179. The reversal of 7485191136 is 6311915847.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 7485191091 and 7485191100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12994836 + ... + 12995411.

It is an arithmetic number, because the mean of its divisors is an integer number (591278142).

Almost surely, 2^7485191136 is an apocalyptic number.

It is an amenable number.

7485191136 is an abundant number, since it is smaller than the sum of its proper divisors (13800821976).

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

7485191136 is a wasteful number, since it uses less digits than its factorization.

7485191136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25990263 (or 25990252 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 7485191136 is about 86516.9991157807. Note that the first 3 decimals coincide. The cubic root of 7485191136 is about 1956.1446441017.

The spelling of 7485191136 in words is "seven billion, four hundred eighty-five million, one hundred ninety-one thousand, one hundred thirty-six".