1236436134 has 16 divisors (see below), whose sum is σ = 2603023680. Its totient is φ = 390453480.

The previous prime is 1236436133. The next prime is 1236436171. The reversal of 1236436134 is 4316346321.

It is a junction number, because it is equal to n+sod(n) for n = 1236436095 and 1236436104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236436133) 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 in 7 ways as a sum of consecutive naturals, for example, 5422852 + ... + 5423079.

It is an arithmetic number, because the mean of its divisors is an integer number (162688980).

Almost surely, 2^1236436134 is an apocalyptic number.

1236436134 is an abundant number, since it is smaller than the sum of its proper divisors (1366587546).

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

1236436134 is a wasteful number, since it uses less digits than its factorization.

1236436134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845955.

The product of its digits is 31104, while the sum is 33.

The square root of 1236436134 is about 35162.9938145204. The cubic root of 1236436134 is about 1073.3068378381.

The spelling of 1236436134 in words is "one billion, two hundred thirty-six million, four hundred thirty-six thousand, one hundred thirty-four".