130602780 has 288 divisors, whose sum is σ = 513676800. Its totient is φ = 27060480.

The previous prime is 130602779. The next prime is 130602781. The reversal of 130602780 is 87206031.

It is an interprime number because it is at equal distance from previous prime (130602779) and next prime (130602781).

It is a super-2 number, since 2×130602780² = 34114172287456800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130602781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 374046 + ... + 374394.

It is an arithmetic number, because the mean of its divisors is an integer number (1783600).

Almost surely, 2^130602780 is an apocalyptic number.

130602780 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 130602780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256838400).

130602780 is an abundant number, since it is smaller than the sum of its proper divisors (383074020).

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

130602780 is a wasteful number, since it uses less digits than its factorization.

130602780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 130602780 is about 11428.1573317836. The cubic root of 130602780 is about 507.3614592676.

The spelling of 130602780 in words is "one hundred thirty million, six hundred two thousand, seven hundred eighty".