254140039 has 2 divisors, whose sum is σ = 254140040. Its totient is φ = 254140038.

The previous prime is 254140009. The next prime is 254140057. The reversal of 254140039 is 930041452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254140039 - 2¹³ = 254131847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254139989 and 254140016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254140009) 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, 127070019 + 127070020.

It is an arithmetic number, because the mean of its divisors is an integer number (127070020).

Almost surely, 2^254140039 is an apocalyptic number.

254140039 is a deficient number, since it is larger than the sum of its proper divisors (1).

254140039 is an equidigital number, since it uses as much as digits as its factorization.

254140039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 254140039 is about 15941.7702592905. The cubic root of 254140039 is about 633.4189189663.

The spelling of 254140039 in words is "two hundred fifty-four million, one hundred forty thousand, thirty-nine".