140838279164 has 12 divisors (see below), whose sum is σ = 268873078488. Its totient is φ = 64017399600.

The previous prime is 140838279121. The next prime is 140838279173. The reversal of 140838279164 is 461972838041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600434947 + ... + 1600435034.

It is an arithmetic number, because the mean of its divisors is an integer number (22406089874).

Almost surely, 2^140838279164 is an apocalyptic number.

It is an amenable number.

140838279164 is a deficient number, since it is larger than the sum of its proper divisors (128034799324).

140838279164 is a wasteful number, since it uses less digits than its factorization.

140838279164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200869996 (or 3200869994 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 140838279164 in words is "one hundred forty billion, eight hundred thirty-eight million, two hundred seventy-nine thousand, one hundred sixty-four".