241640139 has 16 divisors (see below), whose sum is σ = 362057472. Its totient is φ = 142235808.

The previous prime is 241640137. The next prime is 241640171. The reversal of 241640139 is 931046142.

It is not a de Polignac number, because 241640139 - 2¹ = 241640137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241640137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133797 + ... + 135590.

It is an arithmetic number, because the mean of its divisors is an integer number (22628592).

Almost surely, 2^241640139 is an apocalyptic number.

241640139 is a deficient number, since it is larger than the sum of its proper divisors (120417333).

241640139 is a wasteful number, since it uses less digits than its factorization.

241640139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269426.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 241640139 is about 15544.7785124137. The cubic root of 241640139 is about 622.8589256029.

The spelling of 241640139 in words is "two hundred forty-one million, six hundred forty thousand, one hundred thirty-nine".