130881240 has 192 divisors, whose sum is σ = 490613760. Its totient is φ = 29640960.

The previous prime is 130881239. The next prime is 130881251. The reversal of 130881240 is 42188031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420685 + ... + 420995.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^130881240 is an apocalyptic number.

130881240 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 130881240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245306880).

130881240 is an abundant number, since it is smaller than the sum of its proper divisors (359732520).

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

130881240 is a wasteful number, since it uses less digits than its factorization.

130881240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 130881240 is about 11440.3339112108. Note that the first 3 decimals coincide. The cubic root of 130881240 is about 507.7217874384.

The spelling of 130881240 in words is "one hundred thirty million, eight hundred eighty-one thousand, two hundred forty".