140520491516 has 12 divisors (see below), whose sum is σ = 245914741800. Its totient is φ = 70259136720.

The previous prime is 140520491509. The next prime is 140520491519. The reversal of 140520491516 is 615194025041.

140520491516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140520491516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140520491519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51011 + ... + 532581.

It is an arithmetic number, because the mean of its divisors is an integer number (20492895150).

Almost surely, 2^140520491516 is an apocalyptic number.

It is an amenable number.

140520491516 is a deficient number, since it is larger than the sum of its proper divisors (105394250284).

140520491516 is a wasteful number, since it uses less digits than its factorization.

140520491516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554524 (or 554522 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 140520491516 in words is "one hundred forty billion, five hundred twenty million, four hundred ninety-one thousand, five hundred sixteen".