140102454131 has 4 divisors (see below), whose sum is σ = 140251977432. Its totient is φ = 139952930832.

The previous prime is 140102454097. The next prime is 140102454133. The reversal of 140102454131 is 131454201041.

140102454131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140102454131 - 2⁶ = 140102454067 is a prime.

It is a super-2 number, since 2×140102454131² (a number of 23 digits) contains 22 as substring.

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 140102454131.

It is not an unprimeable number, because it can be changed into a prime (140102454133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74760245 + ... + 74762118.

It is an arithmetic number, because the mean of its divisors is an integer number (35062994358).

Almost surely, 2^140102454131 is an apocalyptic number.

140102454131 is a deficient number, since it is larger than the sum of its proper divisors (149523301).

140102454131 is an equidigital number, since it uses as much as digits as its factorization.

140102454131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149523300.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 140102454131 its reverse (131454201041), we get a palindrome (271556655172).

The spelling of 140102454131 in words is "one hundred forty billion, one hundred two million, four hundred fifty-four thousand, one hundred thirty-one".