8136400092 has 12 divisors (see below), whose sum is σ = 18984933576. Its totient is φ = 2712133360.

The previous prime is 8136400087. The next prime is 8136400171. The reversal of 8136400092 is 2900046318.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339016659 + ... + 339016682.

It is an arithmetic number, because the mean of its divisors is an integer number (1582077798).

Almost surely, 2^8136400092 is an apocalyptic number.

It is an amenable number.

8136400092 is an abundant number, since it is smaller than the sum of its proper divisors (10848533484).

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

8136400092 is a wasteful number, since it uses less digits than its factorization.

8136400092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678033348 (or 678033346 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8136400092 is about 90201.9960533025. The cubic root of 8136400092 is about 2011.3026787331.

The spelling of 8136400092 in words is "eight billion, one hundred thirty-six million, four hundred thousand, ninety-two".