140163146 has 8 divisors (see below), whose sum is σ = 210310020. Its totient is φ = 70059808.

The previous prime is 140163137. The next prime is 140163151. The reversal of 140163146 is 641361041.

It can be written as a sum of positive squares in 2 ways, for example, as 140161921 + 1225 = 11839^2 + 35^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 16776.

Almost surely, 2^140163146 is an apocalyptic number.

140163146 is a deficient number, since it is larger than the sum of its proper divisors (70146874).

140163146 is a wasteful number, since it uses less digits than its factorization.

140163146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 140163146 is about 11839.0517356755. The cubic root of 140163146 is about 519.4510306118.

The spelling of 140163146 in words is "one hundred forty million, one hundred sixty-three thousand, one hundred forty-six".