130101440 has 84 divisors (see below), whose sum is σ = 355537008. Its totient is φ = 44421120.

The previous prime is 130101427. The next prime is 130101443. The reversal of 130101440 is 44101031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (130101443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539720 + ... + 539960.

Almost surely, 2^130101440 is an apocalyptic number.

130101440 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 130101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177768504).

130101440 is an abundant number, since it is smaller than the sum of its proper divisors (225435568).

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

130101440 is an frugal number, since it uses more digits than its factorization.

130101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130101440 is about 11406.2018218161. The cubic root of 130101440 is about 506.7114303325.

Adding to 130101440 its reverse (44101031), we get a palindrome (174202471).

The spelling of 130101440 in words is "one hundred thirty million, one hundred one thousand, four hundred forty".