140859855247 has 4 divisors (see below), whose sum is σ = 140872809240. Its totient is φ = 140846901256.

The previous prime is 140859855209. The next prime is 140859855287. The reversal of 140859855247 is 742558958041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140859855247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140859855191 and 140859855200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140859855287) 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, 6460672 + ... + 6482437.

It is an arithmetic number, because the mean of its divisors is an integer number (35218202310).

Almost surely, 2^140859855247 is an apocalyptic number.

140859855247 is a deficient number, since it is larger than the sum of its proper divisors (12953993).

140859855247 is a wasteful number, since it uses less digits than its factorization.

140859855247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12953992.

The product of its (nonzero) digits is 16128000, while the sum is 58.

The spelling of 140859855247 in words is "one hundred forty billion, eight hundred fifty-nine million, eight hundred fifty-five thousand, two hundred forty-seven".