1340214044 has 24 divisors (see below), whose sum is σ = 2526986448. Its totient is φ = 618266880.

The previous prime is 1340214019. The next prime is 1340214047. The reversal of 1340214044 is 4404120431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340214047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136004 + ... + 145524.

It is an arithmetic number, because the mean of its divisors is an integer number (105291102).

Almost surely, 2^1340214044 is an apocalyptic number.

It is an amenable number.

1340214044 is a deficient number, since it is larger than the sum of its proper divisors (1186772404).

1340214044 is a wasteful number, since it uses less digits than its factorization.

1340214044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245 (or 12243 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1340214044 is about 36608.9339369504. The cubic root of 1340214044 is about 1102.5324692936.

Adding to 1340214044 its reverse (4404120431), we get a palindrome (5744334475).

The spelling of 1340214044 in words is "one billion, three hundred forty million, two hundred fourteen thousand, forty-four".