134471784252 has 192 divisors, whose sum is σ = 374849040384. Its totient is φ = 37121863680.

The previous prime is 134471784247. The next prime is 134471784253. The reversal of 134471784252 is 252487174431.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134471784253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5495998 + ... + 5520410.

It is an arithmetic number, because the mean of its divisors is an integer number (1952338752).

Almost surely, 2^134471784252 is an apocalyptic number.

134471784252 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 134471784252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187424520192).

134471784252 is an abundant number, since it is smaller than the sum of its proper divisors (240377256132).

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

134471784252 is a wasteful number, since it uses less digits than its factorization.

134471784252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548 (or 24546 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 134471784252 in words is "one hundred thirty-four billion, four hundred seventy-one million, seven hundred eighty-four thousand, two hundred fifty-two".