134134551252 has 72 divisors (see below), whose sum is σ = 365673366240. Its totient is φ = 41212342080.

The previous prime is 134134551247. The next prime is 134134551283. The reversal of 134134551252 is 252155431431.

134134551252 is a `hidden beast` number, since 1 + 3 + 4 + 134 + 5 + 512 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115999 + ... + 530777.

Almost surely, 2^134134551252 is an apocalyptic number.

134134551252 is a gapful number since it is divisible by the number (12) 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 134134551252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182836683120).

134134551252 is an abundant number, since it is smaller than the sum of its proper divisors (231538814988).

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

134134551252 is a wasteful number, since it uses less digits than its factorization.

134134551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415493 (or 415488 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 134134551252 its reverse (252155431431), we get a palindrome (386289982683).

The spelling of 134134551252 in words is "one hundred thirty-four billion, one hundred thirty-four million, five hundred fifty-one thousand, two hundred fifty-two".