240202939 has 2 divisors, whose sum is σ = 240202940. Its totient is φ = 240202938.

The previous prime is 240202891. The next prime is 240202957. The reversal of 240202939 is 939202042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240202939 - 2¹⁵ = 240170171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240202939.

It is not a weakly prime, because it can be changed into another prime (240203939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101469 + 120101470.

It is an arithmetic number, because the mean of its divisors is an integer number (120101470).

Almost surely, 2^240202939 is an apocalyptic number.

240202939 is a deficient number, since it is larger than the sum of its proper divisors (1).

240202939 is an equidigital number, since it uses as much as digits as its factorization.

240202939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 240202939 is about 15498.4818288760. The cubic root of 240202939 is about 621.6216125814.

The spelling of 240202939 in words is "two hundred forty million, two hundred two thousand, nine hundred thirty-nine".