140287216 has 10 divisors (see below), whose sum is σ = 271806512. Its totient is φ = 70143600.

The previous prime is 140287211. The next prime is 140287243. The reversal of 140287216 is 612782041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140287211) 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 as a sum of consecutive naturals, namely, 4383960 + ... + 4383991.

Almost surely, 2^140287216 is an apocalyptic number.

140287216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140287216 is a deficient number, since it is larger than the sum of its proper divisors (131519296).

140287216 is an equidigital number, since it uses as much as digits as its factorization.

140287216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767959 (or 8767953 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 140287216 is about 11844.2904388570. The cubic root of 140287216 is about 519.6042551086.

The spelling of 140287216 in words is "one hundred forty million, two hundred eighty-seven thousand, two hundred sixteen".