140506416653 has 4 divisors (see below), whose sum is σ = 141401362140. Its totient is φ = 139611471168.

The previous prime is 140506416641. The next prime is 140506416689. The reversal of 140506416653 is 356614605041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356614605041 = 19 ⋅18769189739.

It can be written as a sum of positive squares in 2 ways, for example, as 84728730724 + 55777685929 = 291082^2 + 236173^2 .

It is a cyclic number.

It is not a de Polignac number, because 140506416653 - 2⁴ = 140506416637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140506416653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140506446653) 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, 447472508 + ... + 447472821.

It is an arithmetic number, because the mean of its divisors is an integer number (35350340535).

Almost surely, 2^140506416653 is an apocalyptic number.

It is an amenable number.

140506416653 is a deficient number, since it is larger than the sum of its proper divisors (894945487).

140506416653 is an equidigital number, since it uses as much as digits as its factorization.

140506416653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894945486.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 140506416653 in words is "one hundred forty billion, five hundred six million, four hundred sixteen thousand, six hundred fifty-three".