134640452432 has 40 divisors (see below), whose sum is σ = 261932688360. Its totient is φ = 67045109760.

The previous prime is 134640452411. The next prime is 134640452449. The reversal of 134640452432 is 234254046431.

It can be written as a sum of positive squares in 4 ways, for example, as 17933495056 + 116706957376 = 133916^2 + 341624^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18387332 + ... + 18394652.

It is an arithmetic number, because the mean of its divisors is an integer number (6548317209).

Almost surely, 2^134640452432 is an apocalyptic number.

It is an amenable number.

134640452432 is a deficient number, since it is larger than the sum of its proper divisors (127292235928).

134640452432 is a wasteful number, since it uses less digits than its factorization.

134640452432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11865 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 134640452432 its reverse (234254046431), we get a palindrome (368894498863).

The spelling of 134640452432 in words is "one hundred thirty-four billion, six hundred forty million, four hundred fifty-two thousand, four hundred thirty-two".