8354131485 has 32 divisors (see below), whose sum is σ = 15294074880. Its totient is φ = 3814544448.

The previous prime is 8354131481. The next prime is 8354131493. The reversal of 8354131485 is 5841314538.

It is a happy number.

It is not a de Polignac number, because 8354131485 - 2² = 8354131481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8354131481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43884 + ... + 136506.

It is an arithmetic number, because the mean of its divisors is an integer number (477939840).

Almost surely, 2^8354131485 is an apocalyptic number.

It is an amenable number.

8354131485 is a deficient number, since it is larger than the sum of its proper divisors (6939943395).

8354131485 is a wasteful number, since it uses less digits than its factorization.

8354131485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93497.

The product of its digits is 230400, while the sum is 42.

The square root of 8354131485 is about 91400.9380969364. The cubic root of 8354131485 is about 2029.0859114284.

The spelling of 8354131485 in words is "eight billion, three hundred fifty-four million, one hundred thirty-one thousand, four hundred eighty-five".