140056428142505 has 8 divisors (see below), whose sum is σ = 192077387166912. Its totient is φ = 96038693583408.

The previous prime is 140056428142289. The next prime is 140056428142523. The reversal of 140056428142505 is 505241824650041.

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 140056428142505 - 2¹⁶ = 140056428076969 is a prime.

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 140056428142505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000806116287 + ... + 2000806116356.

It is an arithmetic number, because the mean of its divisors is an integer number (24009673395864).

Almost surely, 2^{140056428142505} is an apocalyptic number.

It is an amenable number.

140056428142505 is a deficient number, since it is larger than the sum of its proper divisors (52020959024407).

140056428142505 is an equidigital number, since it uses as much as digits as its factorization.

140056428142505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001612232655.

The product of its (nonzero) digits is 1536000, while the sum is 47.

The spelling of 140056428142505 in words is "one hundred forty trillion, fifty-six billion, four hundred twenty-eight million, one hundred forty-two thousand, five hundred five".