140924046517 has 4 divisors (see below), whose sum is σ = 142507462860. Its totient is φ = 139340630176.

The previous prime is 140924046443. The next prime is 140924046553. The reversal of 140924046517 is 715640429041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715640429041 = 19 ⋅37665285739.

It can be written as a sum of positive squares in 2 ways, for example, as 92809185316 + 48114861201 = 304646^2 + 219351^2 .

It is a cyclic number.

It is not a de Polignac number, because 140924046517 - 2¹⁵ = 140924013749 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 (140924046817) 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, 791708038 + ... + 791708215.

It is an arithmetic number, because the mean of its divisors is an integer number (35626865715).

Almost surely, 2^140924046517 is an apocalyptic number.

It is an amenable number.

140924046517 is a deficient number, since it is larger than the sum of its proper divisors (1583416343).

140924046517 is an equidigital number, since it uses as much as digits as its factorization.

140924046517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583416342.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 140924046517 in words is "one hundred forty billion, nine hundred twenty-four million, forty-six thousand, five hundred seventeen".