1346677481 has 8 divisors (see below), whose sum is σ = 1361853864. Its totient is φ = 1331527680.

The previous prime is 1346677427. The next prime is 1346677487. The reversal of 1346677481 is 1847766431.

It can be written as a sum of positive squares in 4 ways, for example, as 416976400 + 929701081 = 20420^2 + 30491^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346677481 is a prime.

It is a super-2 number, since 2×1346677481² = 3627080475665010722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346677487) 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 7 ways as a sum of consecutive naturals, for example, 105821 + ... + 117861.

It is an arithmetic number, because the mean of its divisors is an integer number (170231733).

Almost surely, 2^1346677481 is an apocalyptic number.

It is an amenable number.

1346677481 is a deficient number, since it is larger than the sum of its proper divisors (15176383).

1346677481 is a wasteful number, since it uses less digits than its factorization.

1346677481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13291.

The product of its digits is 677376, while the sum is 47.

The square root of 1346677481 is about 36697.1045315567. The cubic root of 1346677481 is about 1104.3020184802.

The spelling of 1346677481 in words is "one billion, three hundred forty-six million, six hundred seventy-seven thousand, four hundred eighty-one".