140608747 has 8 divisors (see below), whose sum is σ = 141512112. Its totient is φ = 139708800.

The previous prime is 140608711. The next prime is 140608757. The reversal of 140608747 is 747806041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140608747 - 2⁷ = 140608619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140608757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172972 + ... + 173782.

It is an arithmetic number, because the mean of its divisors is an integer number (17689014).

Almost surely, 2^140608747 is an apocalyptic number.

140608747 is a deficient number, since it is larger than the sum of its proper divisors (903365).

140608747 is an equidigital number, since it uses as much as digits as its factorization.

140608747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 140608747 is about 11857.8559191786. The cubic root of 140608747 is about 520.0009208564. Note that the first 3 decimals are identical.

The spelling of 140608747 in words is "one hundred forty million, six hundred eight thousand, seven hundred forty-seven".