130779000 has 192 divisors, whose sum is σ = 482582880. Its totient is φ = 31680000.

The previous prime is 130778983. The next prime is 130779001. The reversal of 130779000 is 977031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130779001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98340 + ... + 99660.

Almost surely, 2^130779000 is an apocalyptic number.

130779000 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 130779000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241291440).

130779000 is an abundant number, since it is smaller than the sum of its proper divisors (351803880).

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

130779000 is a wasteful number, since it uses less digits than its factorization.

130779000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 130779000 is about 11435.8646371842. The cubic root of 130779000 is about 507.5895479668.

The spelling of 130779000 in words is "one hundred thirty million, seven hundred seventy-nine thousand".