140531008365487 has 8 divisors (see below), whose sum is σ = 140709042749520. Its totient is φ = 140352985690560.

The previous prime is 140531008365463. The next prime is 140531008365491. The reversal of 140531008365487 is 784563800135041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140531008365487 - 2⁷ = 140531008365359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140531008365437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21217689 + ... + 27041677.

It is an arithmetic number, because the mean of its divisors is an integer number (17588630343690).

Almost surely, 2^{140531008365487} is an apocalyptic number.

140531008365487 is a deficient number, since it is larger than the sum of its proper divisors (178034384033).

140531008365487 is an equidigital number, since it uses as much as digits as its factorization.

140531008365487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854553.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 140531008365487 in words is "one hundred forty trillion, five hundred thirty-one billion, eight million, three hundred sixty-five thousand, four hundred eighty-seven".