134647234321 has 8 divisors (see below), whose sum is σ = 135664119360. Its totient is φ = 133631038128.

The previous prime is 134647234307. The next prime is 134647234361. The reversal of 134647234321 is 123432746431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134647234321 - 2²¹ = 134645137169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134647234361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223620 + ... + 565066.

It is an arithmetic number, because the mean of its divisors is an integer number (16958014920).

Almost surely, 2^134647234321 is an apocalyptic number.

It is an amenable number.

134647234321 is a deficient number, since it is larger than the sum of its proper divisors (1016885039).

134647234321 is a wasteful number, since it uses less digits than its factorization.

134647234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344423.

The product of its digits is 290304, while the sum is 40.

The spelling of 134647234321 in words is "one hundred thirty-four billion, six hundred forty-seven million, two hundred thirty-four thousand, three hundred twenty-one".