140559047 has 4 divisors (see below), whose sum is σ = 140704776. Its totient is φ = 140413320.

The previous prime is 140559031. The next prime is 140559071. The reversal of 140559047 is 740955041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740955041 = 479 ⋅1546879.

It is a cyclic number.

It is not a de Polignac number, because 140559047 - 2⁴ = 140559031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140558998 and 140559016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140559547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71408 + ... + 73349.

It is an arithmetic number, because the mean of its divisors is an integer number (35176194).

Almost surely, 2^140559047 is an apocalyptic number.

140559047 is a deficient number, since it is larger than the sum of its proper divisors (145729).

140559047 is an equidigital number, since it uses as much as digits as its factorization.

140559047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145728.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 140559047 is about 11855.7600768572. The cubic root of 140559047 is about 519.9396465950.

The spelling of 140559047 in words is "one hundred forty million, five hundred fifty-nine thousand, forty-seven".