140297452 has 6 divisors (see below), whose sum is σ = 245520548. Its totient is φ = 70148724.

The previous prime is 140297441. The next prime is 140297471. The reversal of 140297452 is 254792041.

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, 17537178 + ... + 17537185.

Almost surely, 2^140297452 is an apocalyptic number.

It is an amenable number.

140297452 is a deficient number, since it is larger than the sum of its proper divisors (105223096).

140297452 is a wasteful number, since it uses less digits than its factorization.

140297452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35074367 (or 35074365 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140297452 is about 11844.7225379069. The cubic root of 140297452 is about 519.6168923727.

The spelling of 140297452 in words is "one hundred forty million, two hundred ninety-seven thousand, four hundred fifty-two".