20136134 has 4 divisors (see below), whose sum is σ = 30204204. Its totient is φ = 10068066.

The previous prime is 20136119. The next prime is 20136167. The reversal of 20136134 is 43163102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034032 + ... + 5034035.

It is an arithmetic number, because the mean of its divisors is an integer number (7551051).

Almost surely, 2^20136134 is an apocalyptic number.

20136134 is a deficient number, since it is larger than the sum of its proper divisors (10068070).

20136134 is a wasteful number, since it uses less digits than its factorization.

20136134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068069.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20136134 is about 4487.3303867667. The cubic root of 20136134 is about 272.0562437758.

Adding to 20136134 its reverse (43163102), we get a palindrome (63299236).

The spelling of 20136134 in words is "twenty million, one hundred thirty-six thousand, one hundred thirty-four".