140985396 has 144 divisors (see below), whose sum is σ = 397196800. Its totient is φ = 41990400.

The previous prime is 140985379. The next prime is 140985401. The reversal of 140985396 is 693589041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1293390 + ... + 1293498.

Almost surely, 2^140985396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140985396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198598400).

140985396 is an abundant number, since it is smaller than the sum of its proper divisors (256211404).

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

140985396 is a wasteful number, since it uses less digits than its factorization.

140985396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 140985396 is about 11873.7271317813. The cubic root of 140985396 is about 520.4648161431.

The spelling of 140985396 in words is "one hundred forty million, nine hundred eighty-five thousand, three hundred ninety-six".