8400136 has 16 divisors (see below), whose sum is σ = 16117200. Its totient is φ = 4102224.

The previous prime is 8400131. The next prime is 8400143. The reversal of 8400136 is 6310048.

It is not an unprimeable number, because it can be changed into a prime (8400131) 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, 11866 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (1007325).

Almost surely, 2^8400136 is an apocalyptic number.

8400136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

8400136 is a deficient number, since it is larger than the sum of its proper divisors (7717064).

8400136 is a wasteful number, since it uses less digits than its factorization.

8400136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24468 (or 24464 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8400136 is about 2898.2988113719. The cubic root of 8400136 is about 203.2803684198.

The spelling of 8400136 in words is "eight million, four hundred thousand, one hundred thirty-six".