134724864 has 108 divisors (see below), whose sum is σ = 381524864. Its totient is φ = 42196992.

The previous prime is 134724859. The next prime is 134724871. The reversal of 134724864 is 468427431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221649 + ... + 222255.

Almost surely, 2^134724864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134724864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190762432).

134724864 is an abundant number, since it is smaller than the sum of its proper divisors (246800000).

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

134724864 is an equidigital number, since it uses as much as digits as its factorization.

134724864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 629 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 134724864 is about 11607.1040315834. The cubic root of 134724864 is about 512.6440462835.

It can be divided in two parts, 13472 and 4864, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 134724864 in words is "one hundred thirty-four million, seven hundred twenty-four thousand, eight hundred sixty-four".