1340134424 has 8 divisors (see below), whose sum is σ = 2512752060. Its totient is φ = 670067208.

The previous prime is 1340134403. The next prime is 1340134427. The reversal of 1340134424 is 4244310431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1340134393 and 1340134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83758394 + ... + 83758409.

Almost surely, 2^1340134424 is an apocalyptic number.

It is an amenable number.

1340134424 is a deficient number, since it is larger than the sum of its proper divisors (1172617636).

1340134424 is a wasteful number, since it uses less digits than its factorization.

1340134424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167516809 (or 167516805 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1340134424 is about 36607.8464813215. The cubic root of 1340134424 is about 1102.5106356236.

Adding to 1340134424 its reverse (4244310431), we get a palindrome (5584444855).

The spelling of 1340134424 in words is "one billion, three hundred forty million, one hundred thirty-four thousand, four hundred twenty-four".