140468047 has 4 divisors (see below), whose sum is σ = 140553880. Its totient is φ = 140382216.

The previous prime is 140468039. The next prime is 140468063. The reversal of 140468047 is 740864041.

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 140468047 - 2³ = 140468039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140468017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40413 + ... + 43750.

It is an arithmetic number, because the mean of its divisors is an integer number (35138470).

Almost surely, 2^140468047 is an apocalyptic number.

140468047 is a deficient number, since it is larger than the sum of its proper divisors (85833).

140468047 is an equidigital number, since it uses as much as digits as its factorization.

140468047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85832.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 140468047 is about 11851.9216585328. The cubic root of 140468047 is about 519.8274168400.

The spelling of 140468047 in words is "one hundred forty million, four hundred sixty-eight thousand, forty-seven".