140436768 has 24 divisors (see below), whose sum is σ = 368646768. Its totient is φ = 46812224.

The previous prime is 140436731. The next prime is 140436817. The reversal of 140436768 is 867634041.

It is a tau number, because it is divible by the number of its divisors (24).

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, 731346 + ... + 731537.

It is an arithmetic number, because the mean of its divisors is an integer number (15360282).

Almost surely, 2^140436768 is an apocalyptic number.

It is an amenable number.

140436768 is an abundant number, since it is smaller than the sum of its proper divisors (228210000).

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

140436768 is a wasteful number, since it uses less digits than its factorization.

140436768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462896 (or 1462888 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 140436768 is about 11850.6020100246. The cubic root of 140436768 is about 519.7888294432.

The spelling of 140436768 in words is "one hundred forty million, four hundred thirty-six thousand, seven hundred sixty-eight".