136241305 has 24 divisors (see below), whose sum is σ = 179968320. Its totient is φ = 98730720.

The previous prime is 136241299. The next prime is 136241309. The reversal of 136241305 is 503142631.

It is not a de Polignac number, because 136241305 - 2⁷ = 136241177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136241305.

It is not an unprimeable number, because it can be changed into a prime (136241309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48900 + ... + 51610.

It is an arithmetic number, because the mean of its divisors is an integer number (7498680).

Almost surely, 2^136241305 is an apocalyptic number.

It is an amenable number.

136241305 is a deficient number, since it is larger than the sum of its proper divisors (43727015).

136241305 is a wasteful number, since it uses less digits than its factorization.

136241305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2758 counting only the distinct ones).

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

The square root of 136241305 is about 11672.2450711078. The cubic root of 136241305 is about 514.5602870055.

Adding to 136241305 its reverse (503142631), we get a palindrome (639383936).

The spelling of 136241305 in words is "one hundred thirty-six million, two hundred forty-one thousand, three hundred five".