130436920 has 64 divisors (see below), whose sum is σ = 312167520. Its totient is φ = 48881664.

The previous prime is 130436909. The next prime is 130436947. The reversal of 130436920 is 29634031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294219 + ... + 294661.

Almost surely, 2^130436920 is an apocalyptic number.

130436920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130436920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156083760).

130436920 is an abundant number, since it is smaller than the sum of its proper divisors (181730600).

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

130436920 is a wasteful number, since it uses less digits than its factorization.

130436920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 130436920 is about 11420.8983884807. The cubic root of 130436920 is about 507.1465924286.

The spelling of 130436920 in words is "one hundred thirty million, four hundred thirty-six thousand, nine hundred twenty".