208151130 has 64 divisors (see below), whose sum is σ = 546393600. Its totient is φ = 50329920.

The previous prime is 208151117. The next prime is 208151147. The reversal of 208151130 is 31151802.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208151097 and 208151106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203761 + ... + 204779.

It is an arithmetic number, because the mean of its divisors is an integer number (8537400).

Almost surely, 2^208151130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208151130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273196800).

208151130 is an abundant number, since it is smaller than the sum of its proper divisors (338242470).

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

208151130 is a wasteful number, since it uses less digits than its factorization.

208151130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 208151130 is about 14427.4436405068. The cubic root of 208151130 is about 592.6426795912.

It can be divided in two parts, 20815 and 1130, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 208151130 in words is "two hundred eight million, one hundred fifty-one thousand, one hundred thirty".