140103613 has 8 divisors (see below), whose sum is σ = 159756408. Its totient is φ = 121718784.

The previous prime is 140103581. The next prime is 140103617. The reversal of 140103613 is 316301041.

It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 137874564 = 1493^2 + 11742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140103613 - 2⁵ = 140103581 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 (140103617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316756 + ... + 317197.

It is an arithmetic number, because the mean of its divisors is an integer number (19969551).

Almost surely, 2^140103613 is an apocalyptic number.

140103613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140103613 is a deficient number, since it is larger than the sum of its proper divisors (19652795).

140103613 is a wasteful number, since it uses less digits than its factorization.

140103613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633983.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 140103613 is about 11836.5372047740. The cubic root of 140103613 is about 519.3774761899.

Adding to 140103613 its reverse (316301041), we get a palindrome (456404654).

The spelling of 140103613 in words is "one hundred forty million, one hundred three thousand, six hundred thirteen".