18134963 has 8 divisors (see below), whose sum is σ = 22609920. Its totient is φ = 14131080.

The previous prime is 18134951. The next prime is 18134983. The reversal of 18134963 is 36943181.

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

It is a cyclic number.

It is not a de Polignac number, because 18134963 - 2⁸ = 18134707 is a prime.

It is a super-2 number, since 2×18134963² = 657753766022738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18134983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117683 + ... + 117836.

It is an arithmetic number, because the mean of its divisors is an integer number (2826240).

Almost surely, 2^18134963 is an apocalyptic number.

18134963 is a deficient number, since it is larger than the sum of its proper divisors (4474957).

18134963 is a wasteful number, since it uses less digits than its factorization.

18134963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235537.

The product of its digits is 15552, while the sum is 35.

The square root of 18134963 is about 4258.5165257399. The cubic root of 18134963 is about 262.7275149198.

It can be divided in two parts, 1813 and 4963, that added together give a palindrome (6776).

The spelling of 18134963 in words is "eighteen million, one hundred thirty-four thousand, nine hundred sixty-three".