140271670 has 48 divisors (see below), whose sum is σ = 317195424. Its totient is φ = 43718400.

The previous prime is 140271667. The next prime is 140271671. The reversal of 140271670 is 76172041.

140271670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140271670² = 39352282809177800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140271671) 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 23 ways as a sum of consecutive naturals, for example, 190 + ... + 16750.

It is an arithmetic number, because the mean of its divisors is an integer number (6608238).

Almost surely, 2^140271670 is an apocalyptic number.

140271670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140271670 is an abundant number, since it is smaller than the sum of its proper divisors (176923754).

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

140271670 is a wasteful number, since it uses less digits than its factorization.

140271670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16597 (or 16586 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 140271670 is about 11843.6341551063. The cubic root of 140271670 is about 519.5850609953.

The spelling of 140271670 in words is "one hundred forty million, two hundred seventy-one thousand, six hundred seventy".