140614447 has 4 divisors (see below), whose sum is σ = 140640976. Its totient is φ = 140587920.

The previous prime is 140614403. The next prime is 140614477. The reversal of 140614447 is 744416041.

140614447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744416041 = 3947 ⋅188603.

It is a cyclic number.

It is not a de Polignac number, because 140614447 - 2²³ = 132225839 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 (140614477) 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, 2283 + ... + 16924.

It is an arithmetic number, because the mean of its divisors is an integer number (35160244).

Almost surely, 2^140614447 is an apocalyptic number.

140614447 is a deficient number, since it is larger than the sum of its proper divisors (26529).

140614447 is an equidigital number, since it uses as much as digits as its factorization.

140614447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 140614447 is about 11858.0962637347. The cubic root of 140614447 is about 520.0079473637.

The spelling of 140614447 in words is "one hundred forty million, six hundred fourteen thousand, four hundred forty-seven".