140511613 has 24 divisors (see below), whose sum is σ = 165703104. Its totient is φ = 118631040.

The previous prime is 140511589. The next prime is 140511653. The reversal of 140511613 is 316115041.

It is not a de Polignac number, because 140511613 - 2⁹ = 140511101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140511653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170320 + ... + 171142.

It is an arithmetic number, because the mean of its divisors is an integer number (6904296).

Almost surely, 2^140511613 is an apocalyptic number.

It is an amenable number.

140511613 is a deficient number, since it is larger than the sum of its proper divisors (25191491).

140511613 is a wasteful number, since it uses less digits than its factorization.

140511613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 140511613 is about 11853.7594458467. The cubic root of 140511613 is about 519.8811525729.

Adding to 140511613 its reverse (316115041), we get a palindrome (456626654).

The spelling of 140511613 in words is "one hundred forty million, five hundred eleven thousand, six hundred thirteen".