140422172 has 12 divisors (see below), whose sum is σ = 268078776. Its totient is φ = 63828240.

The previous prime is 140422127. The next prime is 140422181. The reversal of 140422172 is 271224041.

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 in 3 ways as a sum of consecutive naturals, for example, 1595663 + ... + 1595750.

It is an arithmetic number, because the mean of its divisors is an integer number (22339898).

Almost surely, 2^140422172 is an apocalyptic number.

It is an amenable number.

140422172 is a deficient number, since it is larger than the sum of its proper divisors (127656604).

140422172 is a wasteful number, since it uses less digits than its factorization.

140422172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191428 (or 3191426 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 140422172 is about 11849.9861603295. The cubic root of 140422172 is about 519.7708210999.

The spelling of 140422172 in words is "one hundred forty million, four hundred twenty-two thousand, one hundred seventy-two".