18132965 has 8 divisors (see below), whose sum is σ = 23039640. Its totient is φ = 13652992.

The previous prime is 18132953. The next prime is 18132977. The reversal of 18132965 is 56923181.

It is an interprime number because it is at equal distance from previous prime (18132953) and next prime (18132977).

It can be written as a sum of positive squares in 4 ways, for example, as 6728836 + 11404129 = 2594^2 + 3377^2 .

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 18132965 - 2¹⁰ = 18131941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106580 + ... + 106749.

It is an arithmetic number, because the mean of its divisors is an integer number (2879955).

Almost surely, 2^18132965 is an apocalyptic number.

It is an amenable number.

18132965 is a deficient number, since it is larger than the sum of its proper divisors (4906675).

18132965 is a wasteful number, since it uses less digits than its factorization.

18132965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213351.

The product of its digits is 12960, while the sum is 35.

The square root of 18132965 is about 4258.2819305443. The cubic root of 18132965 is about 262.7178659919.

The spelling of 18132965 in words is "eighteen million, one hundred thirty-two thousand, nine hundred sixty-five".