140351252 has 24 divisors (see below), whose sum is σ = 273752640. Its totient is φ = 62570880.

The previous prime is 140351227. The next prime is 140351287. The reversal of 140351252 is 252153041.

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 7 ways as a sum of consecutive naturals, for example, 53024 + ... + 55607.

It is an arithmetic number, because the mean of its divisors is an integer number (11406360).

Almost surely, 2^140351252 is an apocalyptic number.

It is an amenable number.

140351252 is a deficient number, since it is larger than the sum of its proper divisors (133401388).

140351252 is a wasteful number, since it uses less digits than its factorization.

140351252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108671 (or 108669 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140351252 is about 11846.9933738481. The cubic root of 140351252 is about 519.6833032158.

The spelling of 140351252 in words is "one hundred forty million, three hundred fifty-one thousand, two hundred fifty-two".