3571200138 has 128 divisors (see below), whose sum is σ = 8487198720. Its totient is φ = 990118080.

The previous prime is 3571200137. The next prime is 3571200167. The reversal of 3571200138 is 8310021753.

It is not an unprimeable number, because it can be changed into a prime (3571200131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5553645 + ... + 5554287.

It is an arithmetic number, because the mean of its divisors is an integer number (66306240).

Almost surely, 2^3571200138 is an apocalyptic number.

3571200138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3571200138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4243599360).

3571200138 is an abundant number, since it is smaller than the sum of its proper divisors (4915998582).

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

3571200138 is a wasteful number, since it uses less digits than its factorization.

3571200138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3571200138 is about 59759.5192249737. The cubic root of 3571200138 is about 1528.5209535151.

The spelling of 3571200138 in words is "three billion, five hundred seventy-one million, two hundred thousand, one hundred thirty-eight".