140015013 has 4 divisors (see below), whose sum is σ = 186686688. Its totient is φ = 93343340.

The previous prime is 140015011. The next prime is 140015039. The reversal of 140015013 is 310510041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140015013 - 2¹ = 140015011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140014983 and 140015001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140015011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23335833 + ... + 23335838.

It is an arithmetic number, because the mean of its divisors is an integer number (46671672).

Almost surely, 2^140015013 is an apocalyptic number.

It is an amenable number.

140015013 is a deficient number, since it is larger than the sum of its proper divisors (46671675).

140015013 is an equidigital number, since it uses as much as digits as its factorization.

140015013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46671674.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 140015013 is about 11832.7939642335. The cubic root of 140015013 is about 519.2679702155.

Adding to 140015013 its reverse (310510041), we get a palindrome (450525054).

The spelling of 140015013 in words is "one hundred forty million, fifteen thousand, thirteen".