134779479252 has 96 divisors (see below), whose sum is σ = 351595569024. Its totient is φ = 39828787200.

The previous prime is 134779479217. The next prime is 134779479269. The reversal of 134779479252 is 252974977431.

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, 17926198 + ... + 17933714.

It is an arithmetic number, because the mean of its divisors is an integer number (3662453844).

Almost surely, 2^134779479252 is an apocalyptic number.

134779479252 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 134779479252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175797784512).

134779479252 is an abundant number, since it is smaller than the sum of its proper divisors (216816089772).

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

134779479252 is a wasteful number, since it uses less digits than its factorization.

134779479252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10889 (or 10887 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 60.

The spelling of 134779479252 in words is "one hundred thirty-four billion, seven hundred seventy-nine million, four hundred seventy-nine thousand, two hundred fifty-two".