134478365652 has 18 divisors (see below), whose sum is σ = 339931424378. Its totient is φ = 44826121872.

The previous prime is 134478365639. The next prime is 134478365669. The reversal of 134478365652 is 256563874431.

134478365652 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 78 + 3 + 6 + 565 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125269276356 + 9209089296 = 353934^2 + 95964^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1867755043 + ... + 1867755114.

Almost surely, 2^134478365652 is an apocalyptic number.

134478365652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134478365652 is an abundant number, since it is smaller than the sum of its proper divisors (205453058726).

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

134478365652 is a wasteful number, since it uses less digits than its factorization.

134478365652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735510167 (or 3735510162 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 134478365652 in words is "one hundred thirty-four billion, four hundred seventy-eight million, three hundred sixty-five thousand, six hundred fifty-two".