140390434136 has 16 divisors (see below), whose sum is σ = 266837983800. Its totient is φ = 69233638464.

The previous prime is 140390434099. The next prime is 140390434187. The reversal of 140390434136 is 631434093041.

It is a self number, because there is not a number n which added to its sum of digits gives 140390434136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120196706 + ... + 120197873.

Almost surely, 2^140390434136 is an apocalyptic number.

It is an amenable number.

140390434136 is a deficient number, since it is larger than the sum of its proper divisors (126447549664).

140390434136 is a wasteful number, since it uses less digits than its factorization.

140390434136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240394658 (or 240394654 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 140390434136 in words is "one hundred forty billion, three hundred ninety million, four hundred thirty-four thousand, one hundred thirty-six".