130242040 has 16 divisors (see below), whose sum is σ = 293044680. Its totient is φ = 52096800.

The previous prime is 130241983. The next prime is 130242043. The reversal of 130242040 is 40242031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130242043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627986 + ... + 1628065.

Almost surely, 2^130242040 is an apocalyptic number.

130242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130242040 is an abundant number, since it is smaller than the sum of its proper divisors (162802640).

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

130242040 is a wasteful number, since it uses less digits than its factorization.

130242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256062 (or 3256058 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130242040 is about 11412.3634712534. The cubic root of 130242040 is about 506.8938981522.

Adding to 130242040 its reverse (40242031), we get a palindrome (170484071).

Subtracting from 130242040 its reverse (40242031), we obtain a palindrome (90000009).

The spelling of 130242040 in words is "one hundred thirty million, two hundred forty-two thousand, forty".