1671137148 has 12 divisors (see below), whose sum is σ = 3899320040. Its totient is φ = 557045712.

The previous prime is 1671137137. The next prime is 1671137159. The reversal of 1671137148 is 8417311761.

It is an interprime number because it is at equal distance from previous prime (1671137137) and next prime (1671137159).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69630703 + ... + 69630726.

Almost surely, 2^1671137148 is an apocalyptic number.

It is an amenable number.

1671137148 is an abundant number, since it is smaller than the sum of its proper divisors (2228182892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671137148 is a wasteful number, since it uses less digits than its factorization.

1671137148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139261436 (or 139261434 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 1671137148 is about 40879.5443712378. The cubic root of 1671137148 is about 1186.6902234449.

The spelling of 1671137148 in words is "one billion, six hundred seventy-one million, one hundred thirty-seven thousand, one hundred forty-eight".