140427504409 has 8 divisors (see below), whose sum is σ = 144228021120. Its totient is φ = 136627260336.

The previous prime is 140427504337. The next prime is 140427504449. The reversal of 140427504409 is 904405724041.

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 140427504409 - 2¹³ = 140427496217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140427504449) 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, 1395222 + ... + 1492480.

It is an arithmetic number, because the mean of its divisors is an integer number (18028502640).

Almost surely, 2^140427504409 is an apocalyptic number.

It is an amenable number.

140427504409 is a deficient number, since it is larger than the sum of its proper divisors (3800516711).

140427504409 is an equidigital number, since it uses as much as digits as its factorization.

140427504409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136319.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 140427504409 in words is "one hundred forty billion, four hundred twenty-seven million, five hundred four thousand, four hundred nine".