240153139 has 2 divisors, whose sum is σ = 240153140. Its totient is φ = 240153138.

The previous prime is 240153119. The next prime is 240153163. The reversal of 240153139 is 931351042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240153139 - 2²⁷ = 105935411 is a prime.

It is not a weakly prime, because it can be changed into another prime (240153119) 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, 120076569 + 120076570.

It is an arithmetic number, because the mean of its divisors is an integer number (120076570).

Almost surely, 2^240153139 is an apocalyptic number.

240153139 is a deficient number, since it is larger than the sum of its proper divisors (1).

240153139 is an equidigital number, since it uses as much as digits as its factorization.

240153139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 240153139 is about 15496.8751366203. The cubic root of 240153139 is about 621.5786504427.

The spelling of 240153139 in words is "two hundred forty million, one hundred fifty-three thousand, one hundred thirty-nine".