140442659471 has 4 divisors (see below), whose sum is σ = 140792890944. Its totient is φ = 140092428000.

The previous prime is 140442659443. The next prime is 140442659473. The reversal of 140442659471 is 174956244041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140442659471 - 2¹⁴ = 140442643087 is a prime.

It is a super-3 number, since 3×140442659471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140442659473) 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 in 3 ways as a sum of consecutive naturals, for example, 175115135 + ... + 175115936.

It is an arithmetic number, because the mean of its divisors is an integer number (35198222736).

Almost surely, 2^140442659471 is an apocalyptic number.

140442659471 is a deficient number, since it is larger than the sum of its proper divisors (350231473).

140442659471 is an equidigital number, since it uses as much as digits as its factorization.

140442659471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350231472.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 140442659471 in words is "one hundred forty billion, four hundred forty-two million, six hundred fifty-nine thousand, four hundred seventy-one".