240006131 has 2 divisors, whose sum is σ = 240006132. Its totient is φ = 240006130.

The previous prime is 240006121. The next prime is 240006191. The reversal of 240006131 is 131600042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240006131 - 2¹⁴ = 239989747 is a prime.

It is a super-2 number, since 2×240006131² = 115205885835178322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240006121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120003065 + 120003066.

It is an arithmetic number, because the mean of its divisors is an integer number (120003066).

Almost surely, 2^240006131 is an apocalyptic number.

240006131 is a deficient number, since it is larger than the sum of its proper divisors (1).

240006131 is an equidigital number, since it uses as much as digits as its factorization.

240006131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 240006131 is about 15492.1312607401. The cubic root of 240006131 is about 621.4517929353.

Adding to 240006131 its reverse (131600042), we get a palindrome (371606173).

The spelling of 240006131 in words is "two hundred forty million, six thousand, one hundred thirty-one".