140209979270 has 16 divisors (see below), whose sum is σ = 252382854240. Its totient is φ = 56082904704.

The previous prime is 140209979269. The next prime is 140209979279. The reversal of 140209979270 is 72979902041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140209979279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591071 + ... + 793589.

It is an arithmetic number, because the mean of its divisors is an integer number (15773928390).

Almost surely, 2^140209979270 is an apocalyptic number.

140209979270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140209979270 is a deficient number, since it is larger than the sum of its proper divisors (112172874970).

140209979270 is a wasteful number, since it uses less digits than its factorization.

140209979270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271759.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 140209979270 in words is "one hundred forty billion, two hundred nine million, nine hundred seventy-nine thousand, two hundred seventy".