140515726505 has 16 divisors (see below), whose sum is σ = 210226126464. Its totient is φ = 87594218880.

The previous prime is 140515726457. The next prime is 140515726511. The reversal of 140515726505 is 505627515041.

140515726505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140515726505 - 2¹⁴ = 140515710121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182487572 + ... + 182488341.

It is an arithmetic number, because the mean of its divisors is an integer number (13139132904).

Almost surely, 2^140515726505 is an apocalyptic number.

It is an amenable number.

140515726505 is a deficient number, since it is larger than the sum of its proper divisors (69710399959).

140515726505 is a wasteful number, since it uses less digits than its factorization.

140515726505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364975936.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 140515726505 in words is "one hundred forty billion, five hundred fifteen million, seven hundred twenty-six thousand, five hundred five".