140263306153 has 4 divisors (see below), whose sum is σ = 140264438740. Its totient is φ = 140262173568.

The previous prime is 140263306151. The next prime is 140263306159. The reversal of 140263306153 is 351603362041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 351603362041 = 1283 ⋅274047827.

It can be written as a sum of positive squares in 2 ways, for example, as 68080811929 + 72182494224 = 260923^2 + 268668^2 .

It is a cyclic number.

It is not a de Polignac number, because 140263306153 - 2¹ = 140263306151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140263306151) 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, 354000 + ... + 637057.

It is an arithmetic number, because the mean of its divisors is an integer number (35066109685).

Almost surely, 2^140263306153 is an apocalyptic number.

It is an amenable number.

140263306153 is a deficient number, since it is larger than the sum of its proper divisors (1132587).

140263306153 is an equidigital number, since it uses as much as digits as its factorization.

140263306153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132586.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 140263306153 its reverse (351603362041), we get a palindrome (491866668194).

The spelling of 140263306153 in words is "one hundred forty billion, two hundred sixty-three million, three hundred six thousand, one hundred fifty-three".