240398275139 has 16 divisors (see below), whose sum is σ = 274139197440. Its totient is φ = 208816920000.

The previous prime is 240398275109. The next prime is 240398275157. The reversal of 240398275139 is 931572893042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240398275139 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240398275109) 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, 4434962 + ... + 4488839.

It is an arithmetic number, because the mean of its divisors is an integer number (17133699840).

Almost surely, 2^240398275139 is an apocalyptic number.

240398275139 is a deficient number, since it is larger than the sum of its proper divisors (33740922301).

240398275139 is a wasteful number, since it uses less digits than its factorization.

240398275139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923922.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 240398275139 in words is "two hundred forty billion, three hundred ninety-eight million, two hundred seventy-five thousand, one hundred thirty-nine".