140155513440502 has 16 divisors (see below), whose sum is σ = 250712968142592. Its totient is φ = 57455055199080.

The previous prime is 140155513440401. The next prime is 140155513440521. The reversal of 140155513440502 is 205044315551041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217632784524 + ... + 217632785167.

It is an arithmetic number, because the mean of its divisors is an integer number (15669560508912).

Almost surely, 2^{140155513440502} is an apocalyptic number.

140155513440502 is a deficient number, since it is larger than the sum of its proper divisors (110557454702090).

140155513440502 is a wasteful number, since it uses less digits than its factorization.

140155513440502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435265569723.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 140155513440502 its reverse (205044315551041), we get a palindrome (345199828991543).

The spelling of 140155513440502 in words is "one hundred forty trillion, one hundred fifty-five billion, five hundred thirteen million, four hundred forty thousand, five hundred two".