140404127 has 4 divisors (see below), whose sum is σ = 142705896. Its totient is φ = 138102360.

The previous prime is 140404111. The next prime is 140404151. The reversal of 140404127 is 721404041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721404041 = 53 ⋅13611397.

It is a cyclic number.

It is not a de Polignac number, because 140404127 - 2⁴ = 140404111 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 (140404157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150793 + ... + 1150914.

It is an arithmetic number, because the mean of its divisors is an integer number (35676474).

Almost surely, 2^140404127 is an apocalyptic number.

140404127 is a deficient number, since it is larger than the sum of its proper divisors (2301769).

140404127 is an equidigital number, since it uses as much as digits as its factorization.

140404127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301768.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 140404127 is about 11849.2247425728. The cubic root of 140404127 is about 519.7485557028.

Adding to 140404127 its reverse (721404041), we get a palindrome (861808168).

The spelling of 140404127 in words is "one hundred forty million, four hundred four thousand, one hundred twenty-seven".