134171440461 has 12 divisors (see below), whose sum is σ = 194037547392. Its totient is φ = 89339462856.

The previous prime is 134171440423. The next prime is 134171440511. The reversal of 134171440461 is 164044171431.

134171440461 is a `hidden beast` number, since 1 + 3 + 4 + 171 + 440 + 46 + 1 = 666.

It is not a de Polignac number, because 134171440461 - 2¹⁵ = 134171407693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134171448461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9005821 + ... + 9020706.

It is an arithmetic number, because the mean of its divisors is an integer number (16169795616).

Almost surely, 2^134171440461 is an apocalyptic number.

It is an amenable number.

134171440461 is a deficient number, since it is larger than the sum of its proper divisors (59866106931).

134171440461 is a wasteful number, since it uses less digits than its factorization.

134171440461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027360 (or 18027357 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 134171440461 in words is "one hundred thirty-four billion, one hundred seventy-one million, four hundred forty thousand, four hundred sixty-one".