140213431145 has 4 divisors (see below), whose sum is σ = 168256117380. Its totient is φ = 112170744912.

The previous prime is 140213431049. The next prime is 140213431159. The reversal of 140213431145 is 541134312041.

140213431145 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 can be written as a sum of positive squares in 2 ways, for example, as 98435297536 + 41778133609 = 313744^2 + 204397^2 .

It is a cyclic number.

It is not a de Polignac number, because 140213431145 - 2¹⁶ = 140213365609 is a prime.

It is a super-2 number, since 2×140213431145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 14021343110 + ... + 14021343119.

It is an arithmetic number, because the mean of its divisors is an integer number (42064029345).

Almost surely, 2^140213431145 is an apocalyptic number.

It is an amenable number.

140213431145 is a deficient number, since it is larger than the sum of its proper divisors (28042686235).

140213431145 is an equidigital number, since it uses as much as digits as its factorization.

140213431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28042686234.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 140213431145 its reverse (541134312041), we get a palindrome (681347743186).

The spelling of 140213431145 in words is "one hundred forty billion, two hundred thirteen million, four hundred thirty-one thousand, one hundred forty-five".