1400334013 has 16 divisors (see below), whose sum is σ = 1616993280. Its totient is φ = 1201165056.

The previous prime is 1400334007. The next prime is 1400334031. The reversal of 1400334013 is 3104330041.

It is not a de Polignac number, because 1400334013 - 2⁵ = 1400333981 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 (1400334043) 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, 22645 + ... + 57562.

It is an arithmetic number, because the mean of its divisors is an integer number (101062080).

Almost surely, 2^1400334013 is an apocalyptic number.

1400334013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1400334013 is a deficient number, since it is larger than the sum of its proper divisors (216659267).

1400334013 is a wasteful number, since it uses less digits than its factorization.

1400334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80316.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1400334013 is about 37421.0370380084. The cubic root of 1400334013 is about 1118.7779008761. Note that the first 3 decimals are identical.

Adding to 1400334013 its reverse (3104330041), we get a palindrome (4504664054).

The spelling of 1400334013 in words is "one billion, four hundred million, three hundred thirty-four thousand, thirteen".