140007 has 16 divisors (see below), whose sum is σ = 218880. Its totient is φ = 77952.

The previous prime is 139999. The next prime is 140009. The reversal of 140007 is 700041.

140007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140007 - 2³ = 139999 is a prime.

140007 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 139974 and 140001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2¹⁴⁰⁰⁰⁷ is an apocalyptic number.

140007 is a deficient number, since it is larger than the sum of its proper divisors (78873).

140007 is a wasteful number, since it uses less digits than its factorization.

140007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 140007 is about 374.1750927039. The cubic root of 140007 is about 51.9258064198.

Adding to 140007 its reverse (700041), we get a palindrome (840048).

The spelling of 140007 in words is "one hundred forty thousand, seven", and thus it is an iban number.