140407 has 2 divisors, whose sum is σ = 140408. Its totient is φ = 140406.

The previous prime is 140401. The next prime is 140411. The reversal of 140407 is 704041.

It is a happy number.

140407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140407 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70203 + 70204.

It is an arithmetic number, because the mean of its divisors is an integer number (70204).

2¹⁴⁰⁴⁰⁷ is an apocalyptic number.

140407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140407 is an equidigital number, since it uses as much as digits as its factorization.

140407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 140407 is about 374.7092205965. The cubic root of 140407 is about 51.9752100773.

Adding to 140407 its reverse (704041), we get a palindrome (844448).

The spelling of 140407 in words is "one hundred forty thousand, four hundred seven", and thus it is an iban number.