641372130 has 96 divisors (see below), whose sum is σ = 1909649664. Its totient is φ = 146302848.

The previous prime is 641372129. The next prime is 641372153. The reversal of 641372130 is 31273146.

641372130 is a `hidden beast` number, since 641 + 3 + 7 + 2 + 13 + 0 = 666.

It is a super-2 number, since 2×641372130² = 822716418281473800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 641372094 and 641372103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517872 + ... + 519108.

It is an arithmetic number, because the mean of its divisors is an integer number (19892184).

Almost surely, 2^641372130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641372130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954824832).

641372130 is an abundant number, since it is smaller than the sum of its proper divisors (1268277534).

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

641372130 is a wasteful number, since it uses less digits than its factorization.

641372130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 641372130 is about 25325.3258616745. The cubic root of 641372130 is about 862.3893040040.

The spelling of 641372130 in words is "six hundred forty-one million, three hundred seventy-two thousand, one hundred thirty".