140271939 has 16 divisors (see below), whose sum is σ = 208081440. Its totient is φ = 93392640.

The previous prime is 140271919. The next prime is 140271941. The reversal of 140271939 is 939172041.

It is not a de Polignac number, because 140271939 - 2⁵ = 140271907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140271919) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20839 + ... + 26735.

It is an arithmetic number, because the mean of its divisors is an integer number (13005090).

Almost surely, 2^140271939 is an apocalyptic number.

140271939 is a deficient number, since it is larger than the sum of its proper divisors (67809501).

140271939 is an equidigital number, since it uses as much as digits as its factorization.

140271939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787 (or 6781 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 140271939 is about 11843.6455114124. The cubic root of 140271939 is about 519.5853931325.

The spelling of 140271939 in words is "one hundred forty million, two hundred seventy-one thousand, nine hundred thirty-nine".