130271540 has 72 divisors (see below), whose sum is σ = 327022080. Its totient is φ = 42698304.

The previous prime is 130271489. The next prime is 130271549. The reversal of 130271540 is 45172031.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130271549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73181 + ... + 74939.

Almost surely, 2^130271540 is an apocalyptic number.

130271540 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 130271540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163511040).

130271540 is an abundant number, since it is smaller than the sum of its proper divisors (196750540).

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

130271540 is a wasteful number, since it uses less digits than its factorization.

130271540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 130271540 is about 11413.6558560349. The cubic root of 130271540 is about 506.9321659833.

The spelling of 130271540 in words is "one hundred thirty million, two hundred seventy-one thousand, five hundred forty".