140311013 has 8 divisors (see below), whose sum is σ = 149929560. Its totient is φ = 130844160.

The previous prime is 140311007. The next prime is 140311043. The reversal of 140311013 is 310113041.

It can be written as a sum of positive squares in 4 ways, for example, as 10510564 + 129800449 = 3242^2 + 11393^2 .

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 140311013 - 2¹⁴ = 140294629 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 (140311043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36008 + ... + 39713.

It is an arithmetic number, because the mean of its divisors is an integer number (18741195).

Almost surely, 2^140311013 is an apocalyptic number.

It is an amenable number.

140311013 is a deficient number, since it is larger than the sum of its proper divisors (9618547).

140311013 is a wasteful number, since it uses less digits than its factorization.

140311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75847.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 140311013 is about 11845.2949731106. The cubic root of 140311013 is about 519.6336337023.

Adding to 140311013 its reverse (310113041), we get a palindrome (450424054).

The spelling of 140311013 in words is "one hundred forty million, three hundred eleven thousand, thirteen".