140531251213 has 32 divisors (see below), whose sum is σ = 153720322560. Its totient is φ = 127948800000.

The previous prime is 140531251207. The next prime is 140531251297. The reversal of 140531251213 is 312152135041.

It is not a de Polignac number, because 140531251213 - 2⁵ = 140531251181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140531251813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41810653 + ... + 41814013.

It is an arithmetic number, because the mean of its divisors is an integer number (4803760080).

Almost surely, 2^140531251213 is an apocalyptic number.

It is an amenable number.

140531251213 is a deficient number, since it is larger than the sum of its proper divisors (13189071347).

140531251213 is a wasteful number, since it uses less digits than its factorization.

140531251213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 140531251213 its reverse (312152135041), we get a palindrome (452683386254).

The spelling of 140531251213 in words is "one hundred forty billion, five hundred thirty-one million, two hundred fifty-one thousand, two hundred thirteen".