140559647 has 8 divisors (see below), whose sum is σ = 150082944. Its totient is φ = 131320728.

The previous prime is 140559631. The next prime is 140559649. The reversal of 140559647 is 746955041.

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 140559647 - 2⁴ = 140559631 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 (140559649) 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, 70073 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (18760368).

Almost surely, 2^140559647 is an apocalyptic number.

140559647 is a deficient number, since it is larger than the sum of its proper divisors (9523297).

140559647 is a wasteful number, since it uses less digits than its factorization.

140559647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142189.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 140559647 is about 11855.7853809859. The cubic root of 140559647 is about 519.9403864106.

The spelling of 140559647 in words is "one hundred forty million, five hundred fifty-nine thousand, six hundred forty-seven".