136312242 has 32 divisors (see below), whose sum is σ = 297872640. Its totient is φ = 41242320.

The previous prime is 136312229. The next prime is 136312271. The reversal of 136312242 is 242213631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57109 + ... + 59447.

It is an arithmetic number, because the mean of its divisors is an integer number (9308520).

Almost surely, 2^136312242 is an apocalyptic number.

136312242 is an abundant number, since it is smaller than the sum of its proper divisors (161560398).

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

136312242 is a wasteful number, since it uses less digits than its factorization.

136312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238.

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

The square root of 136312242 is about 11675.2833798585. The cubic root of 136312242 is about 514.6495771803.

Adding to 136312242 its reverse (242213631), we get a palindrome (378525873).

The spelling of 136312242 in words is "one hundred thirty-six million, three hundred twelve thousand, two hundred forty-two".