1346891147 has 12 divisors (see below), whose sum is σ = 1635180240. Its totient is φ = 1086566016.

The previous prime is 1346891137. The next prime is 1346891149. The reversal of 1346891147 is 7411986431.

It is not a de Polignac number, because 1346891147 - 2²⁰ = 1345842571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1346891098 and 1346891107.

It is not an unprimeable number, because it can be changed into a prime (1346891149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330872 + ... + 334917.

It is an arithmetic number, because the mean of its divisors is an integer number (136265020).

Almost surely, 2^1346891147 is an apocalyptic number.

1346891147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1346891147 is a deficient number, since it is larger than the sum of its proper divisors (288289093).

1346891147 is an equidigital number, since it uses as much as digits as its factorization.

1346891147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665830 (or 665813 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 1346891147 is about 36700.0156266997. The cubic root of 1346891147 is about 1104.3604188323.

The spelling of 1346891147 in words is "one billion, three hundred forty-six million, eight hundred ninety-one thousand, one hundred forty-seven".