240139053271 has 32 divisors (see below), whose sum is σ = 284124516480. Its totient is φ = 200895676416.

The previous prime is 240139053247. The next prime is 240139053283. The reversal of 240139053271 is 172350931042.

It is a cyclic number.

It is not a de Polignac number, because 240139053271 - 2²¹ = 240136956119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240139053271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240139053571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641790 + ... + 944548.

It is an arithmetic number, because the mean of its divisors is an integer number (8878891140).

Almost surely, 2^240139053271 is an apocalyptic number.

240139053271 is a deficient number, since it is larger than the sum of its proper divisors (43985463209).

240139053271 is a wasteful number, since it uses less digits than its factorization.

240139053271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302923.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 240139053271 in words is "two hundred forty billion, one hundred thirty-nine million, fifty-three thousand, two hundred seventy-one".