18134370 has 24 divisors (see below), whose sum is σ = 47149596. Its totient is φ = 4835808.

The previous prime is 18134351. The next prime is 18134377. The reversal of 18134370 is 7343181.

It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 12321 = 4257^2 + 111^2 .

It is a super-3 number, since 3×18134370³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18134377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100657 + ... + 100836.

Almost surely, 2^18134370 is an apocalyptic number.

18134370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18134370 is an abundant number, since it is smaller than the sum of its proper divisors (29015226).

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

18134370 is a wasteful number, since it uses less digits than its factorization.

18134370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201506 (or 201503 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 18134370 is about 4258.4468999860. The cubic root of 18134370 is about 262.7246512229.

The spelling of 18134370 in words is "eighteen million, one hundred thirty-four thousand, three hundred seventy".