140163284 has 6 divisors (see below), whose sum is σ = 245285754. Its totient is φ = 70081640.

The previous prime is 140163277. The next prime is 140163337. The reversal of 140163284 is 482361041.

It can be written as a sum of positive squares in only one way, i.e., 130416400 + 9746884 = 11420^2 + 3122^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17520407 + ... + 17520414.

It is an arithmetic number, because the mean of its divisors is an integer number (40880959).

Almost surely, 2^140163284 is an apocalyptic number.

It is an amenable number.

140163284 is a deficient number, since it is larger than the sum of its proper divisors (105122470).

140163284 is a wasteful number, since it uses less digits than its factorization.

140163284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35040825 (or 35040823 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 140163284 is about 11839.0575638435. The cubic root of 140163284 is about 519.4512010899.

The spelling of 140163284 in words is "one hundred forty million, one hundred sixty-three thousand, two hundred eighty-four".