130291740 has 288 divisors, whose sum is σ = 462309120. Its totient is φ = 30606336.

The previous prime is 130291703. The next prime is 130291753. The reversal of 130291740 is 47192031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1569739 + ... + 1569821.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^130291740 is an apocalyptic number.

130291740 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 130291740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231154560).

130291740 is an abundant number, since it is smaller than the sum of its proper divisors (332017380).

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

130291740 is a wasteful number, since it uses less digits than its factorization.

130291740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 130291740 is about 11414.5407266346. The cubic root of 130291740 is about 506.9583663862.

The spelling of 130291740 in words is "one hundred thirty million, two hundred ninety-one thousand, seven hundred forty".