130149405 has 24 divisors (see below), whose sum is σ = 225945720. Its totient is φ = 69304320.

The previous prime is 130149403. The next prime is 130149407. The reversal of 130149405 is 504941031.

It is an interprime number because it is at equal distance from previous prime (130149403) and next prime (130149407).

It can be written as a sum of positive squares in 4 ways, for example, as 7338681 + 122810724 = 2709^2 + 11082^2 .

It is not a de Polignac number, because 130149405 - 2¹ = 130149403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130149401) 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, 32725 + ... + 36485.

It is an arithmetic number, because the mean of its divisors is an integer number (9414405).

Almost surely, 2^130149405 is an apocalyptic number.

130149405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130149405 is a deficient number, since it is larger than the sum of its proper divisors (95796315).

130149405 is a wasteful number, since it uses less digits than its factorization.

130149405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 130149405 is about 11408.3042122833. The cubic root of 130149405 is about 506.7736931011.

The spelling of 130149405 in words is "one hundred thirty million, one hundred forty-nine thousand, four hundred five".