140165770 has 16 divisors (see below), whose sum is σ = 252821088. Its totient is φ = 55950160.

The previous prime is 140165759. The next prime is 140165777. The reversal of 140165770 is 77561041.

140165770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140165777) 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 7 ways as a sum of consecutive naturals, for example, 9364 + ... + 19183.

It is an arithmetic number, because the mean of its divisors is an integer number (15801318).

Almost surely, 2^140165770 is an apocalyptic number.

140165770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140165770 is a deficient number, since it is larger than the sum of its proper divisors (112655318).

140165770 is a wasteful number, since it uses less digits than its factorization.

140165770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29045.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 140165770 is about 11839.1625548431. The cubic root of 140165770 is about 519.4542721463.

The spelling of 140165770 in words is "one hundred forty million, one hundred sixty-five thousand, seven hundred seventy".