1400144113 has 32 divisors (see below), whose sum is σ = 1535542272. Its totient is φ = 1273272000.

The previous prime is 1400144101. The next prime is 1400144149. The reversal of 1400144113 is 3114410041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400144113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400144183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10688058 + ... + 10688188.

It is an arithmetic number, because the mean of its divisors is an integer number (47985696).

Almost surely, 2^1400144113 is an apocalyptic number.

It is an amenable number.

1400144113 is a deficient number, since it is larger than the sum of its proper divisors (135398159).

1400144113 is a wasteful number, since it uses less digits than its factorization.

1400144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1400144113 is about 37418.4996091506. The cubic root of 1400144113 is about 1118.7273259119.

Adding to 1400144113 its reverse (3114410041), we get a palindrome (4514554154).

The spelling of 1400144113 in words is "one billion, four hundred million, one hundred forty-four thousand, one hundred thirteen".