140216847 has 4 divisors (see below), whose sum is σ = 186955800. Its totient is φ = 93477896.

The previous prime is 140216831. The next prime is 140216861. The reversal of 140216847 is 748612041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140216847 - 2⁴ = 140216831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140216807) 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 3 ways as a sum of consecutive naturals, for example, 23369472 + ... + 23369477.

It is an arithmetic number, because the mean of its divisors is an integer number (46738950).

Almost surely, 2^140216847 is an apocalyptic number.

140216847 is a deficient number, since it is larger than the sum of its proper divisors (46738953).

140216847 is an equidigital number, since it uses as much as digits as its factorization.

140216847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46738952.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 140216847 is about 11841.3194788419. The cubic root of 140216847 is about 519.5173615955.

Adding to 140216847 its reverse (748612041), we get a palindrome (888828888).

The spelling of 140216847 in words is "one hundred forty million, two hundred sixteen thousand, eight hundred forty-seven".