140452736617 has 4 divisors (see below), whose sum is σ = 141293771136. Its totient is φ = 139611702100.

The previous prime is 140452736569. The next prime is 140452736621. The reversal of 140452736617 is 716637254041.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140452736617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140452736117) 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, 420517009 + ... + 420517342.

It is an arithmetic number, because the mean of its divisors is an integer number (35323442784).

Almost surely, 2^140452736617 is an apocalyptic number.

It is an amenable number.

140452736617 is a deficient number, since it is larger than the sum of its proper divisors (841034519).

140452736617 is an equidigital number, since it uses as much as digits as its factorization.

140452736617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841034518.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 140452736617 in words is "one hundred forty billion, four hundred fifty-two million, seven hundred thirty-six thousand, six hundred seventeen".