130616042 has 8 divisors (see below), whose sum is σ = 196486500. Its totient is φ = 65120544.

The previous prime is 130616041. The next prime is 130616093. The reversal of 130616042 is 240616031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127486681 + 3129361 = 11291^2 + 1769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130615999 and 130616017.

It is not an unprimeable number, because it can be changed into a prime (130616041) 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, 92867 + ... + 94262.

Almost surely, 2^130616042 is an apocalyptic number.

130616042 is a deficient number, since it is larger than the sum of its proper divisors (65870458).

130616042 is a wasteful number, since it uses less digits than its factorization.

130616042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187480.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130616042 is about 11428.7375505784. The cubic root of 130616042 is about 507.3786319494.

The spelling of 130616042 in words is "one hundred thirty million, six hundred sixteen thousand, forty-two".