140635128 has 32 divisors (see below), whose sum is σ = 351878400. Its totient is φ = 46839648.

The previous prime is 140635037. The next prime is 140635147. The reversal of 140635128 is 821536041.

It is a junction number, because it is equal to n+sod(n) for n = 140635095 and 140635104.

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, 55963 + ... + 58421.

It is an arithmetic number, because the mean of its divisors is an integer number (10996200).

Almost surely, 2^140635128 is an apocalyptic number.

It is an amenable number.

140635128 is an abundant number, since it is smaller than the sum of its proper divisors (211243272).

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

140635128 is a wasteful number, since it uses less digits than its factorization.

140635128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 140635128 is about 11858.9682519180. The cubic root of 140635128 is about 520.0334396641.

It can be divided in two parts, 14063 and 5128, that added together give a palindrome (19191).

The spelling of 140635128 in words is "one hundred forty million, six hundred thirty-five thousand, one hundred twenty-eight".