240142037 has 2 divisors, whose sum is σ = 240142038. Its totient is φ = 240142036.

The previous prime is 240142033. The next prime is 240142039. The reversal of 240142037 is 730241042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152794321 + 87347716 = 12361^2 + 9346^2 .

It is a cyclic number.

It is not a de Polignac number, because 240142037 - 2² = 240142033 is a prime.

Together with 240142039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240142033) 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 as a sum of consecutive naturals, namely, 120071018 + 120071019.

It is an arithmetic number, because the mean of its divisors is an integer number (120071019).

Almost surely, 2^240142037 is an apocalyptic number.

It is an amenable number.

240142037 is a deficient number, since it is larger than the sum of its proper divisors (1).

240142037 is an equidigital number, since it uses as much as digits as its factorization.

240142037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 240142037 is about 15496.5169312333. The cubic root of 240142037 is about 621.5690720094.

Adding to 240142037 its reverse (730241042), we get a palindrome (970383079).

The spelling of 240142037 in words is "two hundred forty million, one hundred forty-two thousand, thirty-seven".