400400134103 has 2 divisors, whose sum is σ = 400400134104. Its totient is φ = 400400134102.

The previous prime is 400400134093. The next prime is 400400134157. The reversal of 400400134103 is 301431004004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400400134103 - 2³⁴ = 383220264919 is a prime.

It is a super-2 number, since 2×400400134103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400400134193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200200067051 + 200200067052.

It is an arithmetic number, because the mean of its divisors is an integer number (200200067052).

Almost surely, 2^400400134103 is an apocalyptic number.

400400134103 is a deficient number, since it is larger than the sum of its proper divisors (1).

400400134103 is an equidigital number, since it uses as much as digits as its factorization.

400400134103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 400400134103 its reverse (301431004004), we get a palindrome (701831138107).

The spelling of 400400134103 in words is "four hundred billion, four hundred million, one hundred thirty-four thousand, one hundred three".