10132181 has 4 divisors (see below), whose sum is σ = 10271052. Its totient is φ = 9993312.

The previous prime is 10132163. The next prime is 10132193. The reversal of 10132181 is 18123101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18123101 = 3517 ⋅5153.

It can be written as a sum of positive squares in 2 ways, for example, as 8213956 + 1918225 = 2866^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 10132181 - 2¹⁰ = 10131157 is a prime.

It is a super-2 number, since 2×10132181² = 205322183633522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10132141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69326 + ... + 69471.

It is an arithmetic number, because the mean of its divisors is an integer number (2567763).

Almost surely, 2^10132181 is an apocalyptic number.

It is an amenable number.

10132181 is a deficient number, since it is larger than the sum of its proper divisors (138871).

10132181 is an equidigital number, since it uses as much as digits as its factorization.

10132181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138870.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 10132181 is about 3183.1087006259. The cubic root of 10132181 is about 216.3885681222.

Adding to 10132181 its reverse (18123101), we get a palindrome (28255282).

The spelling of 10132181 in words is "ten million, one hundred thirty-two thousand, one hundred eighty-one".