140683447577 has 4 divisors (see below), whose sum is σ = 140687962320. Its totient is φ = 140678932836.

The previous prime is 140683447529. The next prime is 140683447613. The reversal of 140683447577 is 775744386041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775744386041 = 47 ⋅16505199703.

It is a cyclic number.

It is not a de Polignac number, because 140683447577 - 2¹⁴ = 140683431193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140683447777) 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, 2210303 + ... + 2273060.

It is an arithmetic number, because the mean of its divisors is an integer number (35171990580).

Almost surely, 2^140683447577 is an apocalyptic number.

It is an amenable number.

140683447577 is a deficient number, since it is larger than the sum of its proper divisors (4514743).

140683447577 is an equidigital number, since it uses as much as digits as its factorization.

140683447577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514742.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 140683447577 in words is "one hundred forty billion, six hundred eighty-three million, four hundred forty-seven thousand, five hundred seventy-seven".