1400000001 has 16 divisors (see below), whose sum is σ = 1896840960. Its totient is φ = 918328320.

The previous prime is 1399999987. The next prime is 1400000023. The reversal of 1400000001 is 1000000041.

It is not a de Polignac number, because 1400000001 - 2⁷ = 1399999873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400000101) 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 15 ways as a sum of consecutive naturals, for example, 59361 + ... + 79521.

It is an arithmetic number, because the mean of its divisors is an integer number (118552560).

Almost surely, 2^1400000001 is an apocalyptic number.

It is an amenable number.

1400000001 is a deficient number, since it is larger than the sum of its proper divisors (496840959).

1400000001 is a wasteful number, since it uses less digits than its factorization.

1400000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1400000001 is about 37416.5738811025. The cubic root of 1400000001 is about 1118.6889423478.

Adding to 1400000001 its reverse (1000000041), we get a palindrome (2400000042).

The spelling of 1400000001 in words is "one billion, four hundred million, one", and thus it is an aban number.