140872922 has 4 divisors (see below), whose sum is σ = 211309386. Its totient is φ = 70436460.

The previous prime is 140872909. The next prime is 140872933. The reversal of 140872922 is 229278041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83704201 + 57168721 = 9149^2 + 7561^2 .

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, 35218229 + ... + 35218232.

Almost surely, 2^140872922 is an apocalyptic number.

140872922 is a deficient number, since it is larger than the sum of its proper divisors (70436464).

140872922 is an equidigital number, since it uses as much as digits as its factorization.

140872922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70436463.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 140872922 is about 11868.9899317507. The cubic root of 140872922 is about 520.3263754839.

The spelling of 140872922 in words is "one hundred forty million, eight hundred seventy-two thousand, nine hundred twenty-two".