1348139546 has 8 divisors (see below), whose sum is σ = 2177763924. Its totient is φ = 622218240.

The previous prime is 1348139543. The next prime is 1348139561. The reversal of 1348139546 is 6459318431.

It can be written as a sum of positive squares in 2 ways, for example, as 1097265625 + 250873921 = 33125^2 + 15839^2 .

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

It is a super-2 number, since 2×1348139546² = 3634960470978172232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1348139497 and 1348139506.

It is not an unprimeable number, because it can be changed into a prime (1348139543) 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, 25925735 + ... + 25925786.

Almost surely, 2^1348139546 is an apocalyptic number.

1348139546 is a deficient number, since it is larger than the sum of its proper divisors (829624378).

1348139546 is a wasteful number, since it uses less digits than its factorization.

1348139546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51851536.

The product of its digits is 311040, while the sum is 44.

The square root of 1348139546 is about 36717.0198409403. The cubic root of 1348139546 is about 1104.7015146241.

The spelling of 1348139546 in words is "one billion, three hundred forty-eight million, one hundred thirty-nine thousand, five hundred forty-six".