8400134 has 8 divisors (see below), whose sum is σ = 12642168. Its totient is φ = 4186080.

The previous prime is 8400131. The next prime is 8400143. The reversal of 8400134 is 4310048.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6227 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (1580271).

Almost surely, 2^8400134 is an apocalyptic number.

8400134 is a deficient number, since it is larger than the sum of its proper divisors (4242034).

8400134 is a wasteful number, since it uses less digits than its factorization.

8400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8400134 is about 2898.2984663419. The cubic root of 8400134 is about 203.2803522867.

The spelling of 8400134 in words is "eight million, four hundred thousand, one hundred thirty-four".