2340400134 has 16 divisors (see below), whose sum is σ = 4685119488. Its totient is φ = 779413512.

The previous prime is 2340400133. The next prime is 2340400163. The reversal of 2340400134 is 4310040432.

It is a self number, because there is not a number n which added to its sum of digits gives 2340400134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340400133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172902 + ... + 185945.

It is an arithmetic number, because the mean of its divisors is an integer number (292819968).

Almost surely, 2^2340400134 is an apocalyptic number.

2340400134 is an abundant number, since it is smaller than the sum of its proper divisors (2344719354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2340400134 is a wasteful number, since it uses less digits than its factorization.

2340400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359939.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2340400134 is about 48377.6821892079. The cubic root of 2340400134 is about 1327.6900628347.

Adding to 2340400134 its reverse (4310040432), we get a palindrome (6650440566).

The spelling of 2340400134 in words is "two billion, three hundred forty million, four hundred thousand, one hundred thirty-four".