140122468 has 12 divisors (see below), whose sum is σ = 245847420. Its totient is φ = 69880352.

The previous prime is 140122459. The next prime is 140122481. The reversal of 140122468 is 864221041.

It can be written as a sum of positive squares in 2 ways, for example, as 51724864 + 88397604 = 7192^2 + 9402^2 .

It is a super-2 number, since 2×140122468² = 39268612076822048, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43471 + ... + 46582.

It is an arithmetic number, because the mean of its divisors is an integer number (20487285).

Almost surely, 2^140122468 is an apocalyptic number.

It is an amenable number.

140122468 is a deficient number, since it is larger than the sum of its proper divisors (105724952).

140122468 is a wasteful number, since it uses less digits than its factorization.

140122468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90446 (or 90444 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 140122468 is about 11837.3336524743. Note that the first 3 decimals coincide. The cubic root of 140122468 is about 519.4007742401.

The spelling of 140122468 in words is "one hundred forty million, one hundred twenty-two thousand, four hundred sixty-eight".