134640324 has 144 divisors (see below), whose sum is σ = 425373312. Its totient is φ = 34960896.

The previous prime is 134640313. The next prime is 134640329. The reversal of 134640324 is 423046431.

134640324 is a `hidden beast` number, since 13 + 4 + 640 + 3 + 2 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (134640329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238867 + ... + 239429.

Almost surely, 2^134640324 is an apocalyptic number.

134640324 is a gapful number since it is divisible by the number (14) 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 134640324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212686656).

134640324 is an abundant number, since it is smaller than the sum of its proper divisors (290732988).

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

134640324 is a wasteful number, since it uses less digits than its factorization.

134640324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 134640324 is about 11603.4617248475. The cubic root of 134640324 is about 512.5367956132.

Adding to 134640324 its reverse (423046431), we get a palindrome (557686755).

The spelling of 134640324 in words is "one hundred thirty-four million, six hundred forty thousand, three hundred twenty-four".