136430142 has 16 divisors (see below), whose sum is σ = 279206400. Its totient is φ = 44419032.

The previous prime is 136430141. The next prime is 136430159. The reversal of 136430142 is 241034631.

It is a super-2 number, since 2×136430142² = 37226367292280328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264142 + ... + 264657.

It is an arithmetic number, because the mean of its divisors is an integer number (17450400).

Almost surely, 2^136430142 is an apocalyptic number.

136430142 is an abundant number, since it is smaller than the sum of its proper divisors (142776258).

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

136430142 is a wasteful number, since it uses less digits than its factorization.

136430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528847.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 136430142 is about 11680.3314165310. The cubic root of 136430142 is about 514.7979123528.

Adding to 136430142 its reverse (241034631), we get a palindrome (377464773).

The spelling of 136430142 in words is "one hundred thirty-six million, four hundred thirty thousand, one hundred forty-two".