140140540015015 has 8 divisors (see below), whose sum is σ = 171018964086480. Its totient is φ = 110212221299712.

The previous prime is 140140540014997. The next prime is 140140540015141. The reversal of 140140540015015 is 510510045041041.

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 140140540015015 - 2¹⁷ = 140140539883943 is a prime.

It is a congruent number.

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, 237526338714 + ... + 237526339303.

It is an arithmetic number, because the mean of its divisors is an integer number (21377370510810).

Almost surely, 2^{140140540015015} is an apocalyptic number.

140140540015015 is a deficient number, since it is larger than the sum of its proper divisors (30878424071465).

140140540015015 is an equidigital number, since it uses as much as digits as its factorization.

140140540015015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475052678081.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 140140540015015 its reverse (510510045041041), we get a palindrome (650650585056056).

The spelling of 140140540015015 in words is "one hundred forty trillion, one hundred forty billion, five hundred forty million, fifteen thousand, fifteen".