130897140 has 96 divisors (see below), whose sum is σ = 417263616. Its totient is φ = 30349440.

The previous prime is 130897073. The next prime is 130897141. The reversal of 130897140 is 41798031.

It is a super-2 number, since 2×130897140² = 34268122520359200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130897141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10869 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (4346496).

Almost surely, 2^130897140 is an apocalyptic number.

130897140 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 130897140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208631808).

130897140 is an abundant number, since it is smaller than the sum of its proper divisors (286366476).

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

130897140 is a wasteful number, since it uses less digits than its factorization.

130897140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 130897140 is about 11441.0287998938. The cubic root of 130897140 is about 507.7423466608.

The spelling of 130897140 in words is "one hundred thirty million, eight hundred ninety-seven thousand, one hundred forty".