1340808148 has 6 divisors (see below), whose sum is σ = 2346414266. Its totient is φ = 670404072.

The previous prime is 1340808143. The next prime is 1340808149. The reversal of 1340808148 is 8418080431.

It can be written as a sum of positive squares in only one way, i.e., 1075052944 + 265755204 = 32788^2 + 16302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340808143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167601015 + ... + 167601022.

Almost surely, 2^1340808148 is an apocalyptic number.

It is an amenable number.

1340808148 is a deficient number, since it is larger than the sum of its proper divisors (1005606118).

1340808148 is a wasteful number, since it uses less digits than its factorization.

1340808148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335202041 (or 335202039 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1340808148 is about 36617.0472321295. The cubic root of 1340808148 is about 1102.6953592412.

Adding to 1340808148 its reverse (8418080431), we get a palindrome (9758888579).

The spelling of 1340808148 in words is "one billion, three hundred forty million, eight hundred eight thousand, one hundred forty-eight".