130421634 has 64 divisors (see below), whose sum is σ = 307200000. Its totient is φ = 36895824.

The previous prime is 130421617. The next prime is 130421647. The reversal of 130421634 is 436124031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261117 + ... + 261615.

It is an arithmetic number, because the mean of its divisors is an integer number (4800000).

Almost surely, 2^130421634 is an apocalyptic number.

130421634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130421634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153600000).

130421634 is an abundant number, since it is smaller than the sum of its proper divisors (176778366).

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

130421634 is a wasteful number, since it uses less digits than its factorization.

130421634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 130421634 is about 11420.2291570704. The cubic root of 130421634 is about 507.1267806921.

Adding to 130421634 its reverse (436124031), we get a palindrome (566545665).

The spelling of 130421634 in words is "one hundred thirty million, four hundred twenty-one thousand, six hundred thirty-four".