8190136398 has 8 divisors (see below), whose sum is σ = 16380272808. Its totient is φ = 2730045464.

The previous prime is 8190136397. The next prime is 8190136399. The reversal of 8190136398 is 8936310918.

It is an interprime number because it is at equal distance from previous prime (8190136397) and next prime (8190136399).

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

8190136398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190136397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682511361 + ... + 682511372.

It is an arithmetic number, because the mean of its divisors is an integer number (2047534101).

Almost surely, 2^8190136398 is an apocalyptic number.

8190136398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8190136398 is a wasteful number, since it uses less digits than its factorization.

8190136398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365022738.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 8190136398 is about 90499.3723624645. The cubic root of 8190136398 is about 2015.7208042159.

The spelling of 8190136398 in words is "eight billion, one hundred ninety million, one hundred thirty-six thousand, three hundred ninety-eight".