140475075745 has 4 divisors (see below), whose sum is σ = 168570090900. Its totient is φ = 112380060592.

The previous prime is 140475075739. The next prime is 140475075809. The reversal of 140475075745 is 547570574041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547570574041 = 271367 ⋅2017823.

It can be written as a sum of positive squares in 2 ways, for example, as 29041953889 + 111433121856 = 170417^2 + 333816^2 .

It is a cyclic number.

It is not a de Polignac number, because 140475075745 - 2¹⁹ = 140474551457 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14047507570 + ... + 14047507579.

It is an arithmetic number, because the mean of its divisors is an integer number (42142522725).

Almost surely, 2^140475075745 is an apocalyptic number.

It is an amenable number.

140475075745 is a deficient number, since it is larger than the sum of its proper divisors (28095015155).

140475075745 is an equidigital number, since it uses as much as digits as its factorization.

140475075745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28095015154.

The product of its (nonzero) digits is 2744000, while the sum is 49.

The spelling of 140475075745 in words is "one hundred forty billion, four hundred seventy-five million, seventy-five thousand, seven hundred forty-five".