136530142 has 8 divisors (see below), whose sum is σ = 234051696. Its totient is φ = 58512912.

The previous prime is 136530137. The next prime is 136530151. The reversal of 136530142 is 241035631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4876063 + ... + 4876090.

It is an arithmetic number, because the mean of its divisors is an integer number (29256462).

Almost surely, 2^136530142 is an apocalyptic number.

136530142 is a deficient number, since it is larger than the sum of its proper divisors (97521554).

136530142 is an equidigital number, since it uses as much as digits as its factorization.

136530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752162.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136530142 is about 11684.6113328600. The cubic root of 136530142 is about 514.9236597813.

Adding to 136530142 its reverse (241035631), we get a palindrome (377565773).

The spelling of 136530142 in words is "one hundred thirty-six million, five hundred thirty thousand, one hundred forty-two".