134666400995792 has 120 divisors (see below), whose sum is σ = 281851394847264. Its totient is φ = 62289054390528.

The previous prime is 134666400995779. The next prime is 134666400995807. The reversal of 134666400995792 is 297599004666431.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944472218 + ... + 944614790.

Almost surely, 2^{134666400995792} 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 134666400995792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140925697423632).

134666400995792 is an abundant number, since it is smaller than the sum of its proper divisors (147184993851472).

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

134666400995792 is a wasteful number, since it uses less digits than its factorization.

134666400995792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146465 (or 146440 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 71.

The spelling of 134666400995792 in words is "one hundred thirty-four trillion, six hundred sixty-six billion, four hundred million, nine hundred ninety-five thousand, seven hundred ninety-two".