130391000 has 64 divisors (see below), whose sum is σ = 308374560. Its totient is φ = 51600000.

The previous prime is 130390973. The next prime is 130391011. The reversal of 130391000 is 193031.

It is a self number, because there is not a number n which added to its sum of digits gives 130391000.

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, 100355 + ... + 101645.

Almost surely, 2^130391000 is an apocalyptic number.

130391000 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 130391000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154187280).

130391000 is an abundant number, since it is smaller than the sum of its proper divisors (177983560).

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

130391000 is a wasteful number, since it uses less digits than its factorization.

130391000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 130391000 is about 11418.8878617841. The cubic root of 130391000 is about 507.0870722025.

The spelling of 130391000 in words is "one hundred thirty million, three hundred ninety-one thousand".