140311335145 has 4 divisors (see below), whose sum is σ = 168373602180. Its totient is φ = 112249068112.

The previous prime is 140311335121. The next prime is 140311335149. The reversal of 140311335145 is 541533113041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541533113041 = 401 ⋅1350456641.

It can be written as a sum of positive squares in 2 ways, for example, as 16339741929 + 123971593216 = 127827^2 + 352096^2 .

It is a cyclic number.

It is not a de Polignac number, because 140311335145 - 2²¹ = 140309237993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140311335149) 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, 14031133510 + ... + 14031133519.

It is an arithmetic number, because the mean of its divisors is an integer number (42093400545).

Almost surely, 2^140311335145 is an apocalyptic number.

It is an amenable number.

140311335145 is a deficient number, since it is larger than the sum of its proper divisors (28062267035).

140311335145 is an equidigital number, since it uses as much as digits as its factorization.

140311335145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28062267034.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 140311335145 its reverse (541533113041), we get a palindrome (681844448186).

The spelling of 140311335145 in words is "one hundred forty billion, three hundred eleven million, three hundred thirty-five thousand, one hundred forty-five".