140323660 has 24 divisors (see below), whose sum is σ = 294993216. Its totient is φ = 56069760.

The previous prime is 140323637. The next prime is 140323699. The reversal of 140323660 is 66323041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18880 + ... + 25240.

It is an arithmetic number, because the mean of its divisors is an integer number (12291384).

Almost surely, 2^140323660 is an apocalyptic number.

140323660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140323660 is an abundant number, since it is smaller than the sum of its proper divisors (154669556).

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

140323660 is a wasteful number, since it uses less digits than its factorization.

140323660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473 (or 7471 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 140323660 is about 11845.8288017344. The cubic root of 140323660 is about 519.6492457083.

The spelling of 140323660 in words is "one hundred forty million, three hundred twenty-three thousand, six hundred sixty".