140939536 has 20 divisors (see below), whose sum is σ = 282487500. Its totient is φ = 68039552.

The previous prime is 140939531. The next prime is 140939543. The reversal of 140939536 is 635939041.

It can be written as a sum of positive squares in 2 ways, for example, as 104939536 + 36000000 = 10244^2 + 6000^2 .

It is not an unprimeable number, because it can be changed into a prime (140939531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151411 + ... + 152338.

It is an arithmetic number, because the mean of its divisors is an integer number (14124375).

Almost surely, 2^140939536 is an apocalyptic number.

140939536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140939536 is an abundant number, since it is smaller than the sum of its proper divisors (141547964).

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

140939536 is a wasteful number, since it uses less digits than its factorization.

140939536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303786 (or 303780 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 140939536 is about 11871.7958203466. The cubic root of 140939536 is about 520.4083774253.

The spelling of 140939536 in words is "one hundred forty million, nine hundred thirty-nine thousand, five hundred thirty-six".