1671137147 has 4 divisors (see below), whose sum is σ = 1671226536. Its totient is φ = 1671047760.

The previous prime is 1671137137. The next prime is 1671137159. The reversal of 1671137147 is 7417311761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7417311761 = 20231 ⋅366631.

It is a cyclic number.

It is not a de Polignac number, because 1671137147 - 2¹⁰ = 1671136123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671137147.

It is not an unprimeable number, because it can be changed into a prime (1671137107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754 + ... + 58007.

It is an arithmetic number, because the mean of its divisors is an integer number (417806634).

Almost surely, 2^1671137147 is an apocalyptic number.

1671137147 is a deficient number, since it is larger than the sum of its proper divisors (89389).

1671137147 is an equidigital number, since it uses as much as digits as its factorization.

1671137147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89388.

The product of its digits is 24696, while the sum is 38.

The square root of 1671137147 is about 40879.5443590067. The cubic root of 1671137147 is about 1186.6902232082.

The spelling of 1671137147 in words is "one billion, six hundred seventy-one million, one hundred thirty-seven thousand, one hundred forty-seven".