40130 has 8 divisors (see below), whose sum is σ = 72252. Its totient is φ = 16048.

The previous prime is 40129. The next prime is 40151. The reversal of 40130 is 3104.

It can be written as a sum of positive squares in 2 ways, for example, as 39601 + 529 = 199^2 + 23^2 .

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

It is a super-2 number, since 2×40130² = 3220833800, which contains 22 as substring.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 2016.

2⁴⁰¹³⁰ is an apocalyptic number.

40130 is a deficient number, since it is larger than the sum of its proper divisors (32122).

40130 is a wasteful number, since it uses less digits than its factorization.

40130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 40130 is about 200.3247363657. The cubic root of 40130 is about 34.2365283478.

Adding to 40130 its reverse (3104), we get a palindrome (43234).

The spelling of 40130 in words is "forty thousand, one hundred thirty".