130206040 has 32 divisors (see below), whose sum is σ = 294101280. Its totient is φ = 51880192.

The previous prime is 130206029. The next prime is 130206047. The reversal of 130206040 is 40602031.

It is a super-2 number, since 2×130206040² = 33907225704963200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130206047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4332 + ... + 16708.

It is an arithmetic number, because the mean of its divisors is an integer number (9190665).

Almost surely, 2^130206040 is an apocalyptic number.

130206040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130206040 is an abundant number, since it is smaller than the sum of its proper divisors (163895240).

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

130206040 is a wasteful number, since it uses less digits than its factorization.

130206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651 (or 12647 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130206040 is about 11410.7861254166. The cubic root of 130206040 is about 506.8471905968.

Adding to 130206040 its reverse (40602031), we get a palindrome (170808071).

The spelling of 130206040 in words is "one hundred thirty million, two hundred six thousand, forty".