140001516415 has 16 divisors (see below), whose sum is σ = 169923207168. Its totient is φ = 110726523936.

The previous prime is 140001516401. The next prime is 140001516433. The reversal of 140001516415 is 514615100041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140001516415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209827 + ... + 569236.

It is an arithmetic number, because the mean of its divisors is an integer number (10620200448).

Almost surely, 2^140001516415 is an apocalyptic number.

140001516415 is a deficient number, since it is larger than the sum of its proper divisors (29921690753).

140001516415 is a wasteful number, since it uses less digits than its factorization.

140001516415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779478.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 140001516415 its reverse (514615100041), we get a palindrome (654616616456).

The spelling of 140001516415 in words is "one hundred forty billion, one million, five hundred sixteen thousand, four hundred fifteen".