1343552138 has 4 divisors (see below), whose sum is σ = 2015328210. Its totient is φ = 671776068.

The previous prime is 1343552137. The next prime is 1343552209. The reversal of 1343552138 is 8312553431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1136566369 + 206985769 = 33713^2 + 14387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1343552098 and 1343552107.

It is not an unprimeable number, because it can be changed into a prime (1343552137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335888033 + ... + 335888036.

Almost surely, 2^1343552138 is an apocalyptic number.

1343552138 is a deficient number, since it is larger than the sum of its proper divisors (671776072).

1343552138 is an equidigital number, since it uses as much as digits as its factorization.

1343552138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671776071.

The product of its digits is 43200, while the sum is 35.

The square root of 1343552138 is about 36654.4968319032. The cubic root of 1343552138 is about 1103.4470758527.

The spelling of 1343552138 in words is "one billion, three hundred forty-three million, five hundred fifty-two thousand, one hundred thirty-eight".