140123036660 has 24 divisors (see below), whose sum is σ = 295262684136. Its totient is φ = 55857918080.

The previous prime is 140123036633. The next prime is 140123036717. The reversal of 140123036660 is 66630321041.

It can be written as a sum of positive squares in 4 ways, for example, as 18499264144 + 121623772516 = 136012^2 + 348746^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11950031 + ... + 11961750.

It is an arithmetic number, because the mean of its divisors is an integer number (12302611839).

Almost surely, 2^140123036660 is an apocalyptic number.

140123036660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140123036660 is an abundant number, since it is smaller than the sum of its proper divisors (155139647476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140123036660 is a wasteful number, since it uses less digits than its factorization.

140123036660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23912083 (or 23912081 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 140123036660 in words is "one hundred forty billion, one hundred twenty-three million, thirty-six thousand, six hundred sixty".