136171834 has 4 divisors (see below), whose sum is σ = 204257754. Its totient is φ = 68085916.

The previous prime is 136171829. The next prime is 136171837. The reversal of 136171834 is 438171631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 63154809 = 8545^2 + 7947^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 136171834.

It is not an unprimeable number, because it can be changed into a prime (136171837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34042957 + ... + 34042960.

Almost surely, 2^136171834 is an apocalyptic number.

136171834 is a deficient number, since it is larger than the sum of its proper divisors (68085920).

136171834 is an equidigital number, since it uses as much as digits as its factorization.

136171834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68085919.

The product of its digits is 12096, while the sum is 34.

The square root of 136171834 is about 11669.2687860037. The cubic root of 136171834 is about 514.4728120767.

It can be divided in two parts, 13617 and 1834, that added together give a palindrome (15451).

The spelling of 136171834 in words is "one hundred thirty-six million, one hundred seventy-one thousand, eight hundred thirty-four".