140408684156 has 24 divisors (see below), whose sum is σ = 273741071520. Its totient is φ = 62569386432.

The previous prime is 140408684149. The next prime is 140408684159. The reversal of 140408684156 is 651486804041.

It is a self number, because there is not a number n which added to its sum of digits gives 140408684156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140408684159) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46553096 + ... + 46556111.

It is an arithmetic number, because the mean of its divisors is an integer number (11405877980).

Almost surely, 2^140408684156 is an apocalyptic number.

It is an amenable number.

140408684156 is a deficient number, since it is larger than the sum of its proper divisors (133332387364).

140408684156 is a wasteful number, since it uses less digits than its factorization.

140408684156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93109253 (or 93109251 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 140408684156 in words is "one hundred forty billion, four hundred eight million, six hundred eighty-four thousand, one hundred fifty-six".