1343708138 has 8 divisors (see below), whose sum is σ = 2018650788. Its totient is φ = 670824544.

The previous prime is 1343708137. The next prime is 1343708143. The reversal of 1343708138 is 8318073431.

It can be written as a sum of positive squares in 2 ways, for example, as 1290461929 + 53246209 = 35923^2 + 7297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1343708137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513131 + ... + 515742.

Almost surely, 2^1343708138 is an apocalyptic number.

1343708138 is a deficient number, since it is larger than the sum of its proper divisors (674942650).

1343708138 is a wasteful number, since it uses less digits than its factorization.

1343708138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029528.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1343708138 is about 36656.6247491501. The cubic root of 1343708138 is about 1103.4897813240.

The spelling of 1343708138 in words is "one billion, three hundred forty-three million, seven hundred eight thousand, one hundred thirty-eight".