130332042 has 12 divisors (see below), whose sum is σ = 282386130. Its totient is φ = 43444008.

The previous prime is 130331983. The next prime is 130332043. The reversal of 130332042 is 240233031.

130332042 is a `hidden beast` number, since 1 + 303 + 320 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 123409881 + 6922161 = 11109^2 + 2631^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7240669 = 130332042 / (1 + 3 + 0 + 3 + 3 + 2 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (130332043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3620317 + ... + 3620352.

Almost surely, 2^130332042 is an apocalyptic number.

130332042 is an abundant number, since it is smaller than the sum of its proper divisors (152054088).

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

130332042 is a wasteful number, since it uses less digits than its factorization.

130332042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240677 (or 7240674 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130332042 is about 11416.3059699712. The cubic root of 130332042 is about 507.0106319911.

Adding to 130332042 its reverse (240233031), we get a palindrome (370565073).

The spelling of 130332042 in words is "one hundred thirty million, three hundred thirty-two thousand, forty-two".