134423633136 has 160 divisors (see below), whose sum is σ = 381626463232. Its totient is φ = 40522291200.

The previous prime is 134423633111. The next prime is 134423633167. The reversal of 134423633136 is 631336324431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 134423633094 and 134423633103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6868581 + ... + 6888123.

Almost surely, 2^134423633136 is an apocalyptic number.

134423633136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134423633136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190813231616).

134423633136 is an abundant number, since it is smaller than the sum of its proper divisors (247202830096).

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

134423633136 is a wasteful number, since it uses less digits than its factorization.

134423633136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791 (or 19785 counting only the distinct ones).

The product of its digits is 279936, while the sum is 39.

Adding to 134423633136 its reverse (631336324431), we get a palindrome (765759957567).

The spelling of 134423633136 in words is "one hundred thirty-four billion, four hundred twenty-three million, six hundred thirty-three thousand, one hundred thirty-six".