140956442 has 48 divisors (see below), whose sum is σ = 247387392. Its totient is φ = 59640000.

The previous prime is 140956433. The next prime is 140956447. The reversal of 140956442 is 244659041.

It is not an unprimeable number, because it can be changed into a prime (140956447) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1985267 + ... + 1985337.

It is an arithmetic number, because the mean of its divisors is an integer number (5153904).

Almost surely, 2^140956442 is an apocalyptic number.

140956442 is a deficient number, since it is larger than the sum of its proper divisors (106430950).

140956442 is a wasteful number, since it uses less digits than its factorization.

140956442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 140956442 is about 11872.5078226969. The cubic root of 140956442 is about 520.4291846275.

The spelling of 140956442 in words is "one hundred forty million, nine hundred fifty-six thousand, four hundred forty-two".