171083140 has 12 divisors (see below), whose sum is σ = 359274636. Its totient is φ = 68433248.

The previous prime is 171083137. The next prime is 171083161. The reversal of 171083140 is 41380171.

It can be written as a sum of positive squares in 2 ways, for example, as 66552964 + 104530176 = 8158^2 + 10224^2 .

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, 4277059 + ... + 4277098.

It is an arithmetic number, because the mean of its divisors is an integer number (29939553).

Almost surely, 2^171083140 is an apocalyptic number.

171083140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171083140 is an abundant number, since it is smaller than the sum of its proper divisors (188191496).

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

171083140 is a wasteful number, since it uses less digits than its factorization.

171083140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554166 (or 8554164 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 171083140 is about 13079.8753816694. The cubic root of 171083140 is about 555.1398505888.

The spelling of 171083140 in words is "one hundred seventy-one million, eighty-three thousand, one hundred forty".