1346680139 has 4 divisors (see below), whose sum is σ = 1539063024. Its totient is φ = 1154297256.

The previous prime is 1346680123. The next prime is 1346680141. The reversal of 1346680139 is 9310866431.

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

It is not a de Polignac number, because 1346680139 - 2⁴ = 1346680123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1346680096 and 1346680105.

It is not an unprimeable number, because it can be changed into a prime (1346680189) 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 in 3 ways as a sum of consecutive naturals, for example, 96191432 + ... + 96191445.

It is an arithmetic number, because the mean of its divisors is an integer number (384765756).

Almost surely, 2^1346680139 is an apocalyptic number.

1346680139 is a deficient number, since it is larger than the sum of its proper divisors (192382885).

1346680139 is an equidigital number, since it uses as much as digits as its factorization.

1346680139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192382884.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1346680139 is about 36697.1407469301. The cubic root of 1346680139 is about 1104.3027450171.

The spelling of 1346680139 in words is "one billion, three hundred forty-six million, six hundred eighty thousand, one hundred thirty-nine".