1400140001 has 16 divisors (see below), whose sum is σ = 1603593600. Its totient is φ = 1211770368.

The previous prime is 1400139991. The next prime is 1400140003. The reversal of 1400140001 is 1000410041.

It is a cyclic number.

It is not a de Polignac number, because 1400140001 - 2¹⁴ = 1400123617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400140003) 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, 5261 + ... + 53178.

It is an arithmetic number, because the mean of its divisors is an integer number (100224600).

Almost surely, 2^1400140001 is an apocalyptic number.

It is an amenable number.

1400140001 is a deficient number, since it is larger than the sum of its proper divisors (203453599).

1400140001 is a wasteful number, since it uses less digits than its factorization.

1400140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58568.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1400140001 is about 37418.4446630268. Note that the first 3 decimals coincide. The cubic root of 1400140001 is about 1118.7262307362.

Adding to 1400140001 its reverse (1000410041), we get a palindrome (2400550042).

The spelling of 1400140001 in words is "one billion, four hundred million, one hundred forty thousand, one".