8454138 has 64 divisors (see below), whose sum is σ = 21841920. Its totient is φ = 2116800.

The previous prime is 8454079. The next prime is 8454139. The reversal of 8454138 is 8314548.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 8454099 and 8454108.

It is not an unprimeable number, because it can be changed into a prime (8454139) 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, 13083 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^8454138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8454138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10920960).

8454138 is an abundant number, since it is smaller than the sum of its proper divisors (13387782).

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

8454138 is a wasteful number, since it uses less digits than its factorization.

8454138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its digits is 15360, while the sum is 33.

The square root of 8454138 is about 2907.6000412712. The cubic root of 8454138 is about 203.7150481404.

The spelling of 8454138 in words is "eight million, four hundred fifty-four thousand, one hundred thirty-eight".