134450670399 has 4 divisors (see below), whose sum is σ = 179267560536. Its totient is φ = 89633780264.

The previous prime is 134450670397. The next prime is 134450670421. The reversal of 134450670399 is 993076054431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134450670399 - 2¹ = 134450670397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134450670397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22408445064 + ... + 22408445069.

It is an arithmetic number, because the mean of its divisors is an integer number (44816890134).

Almost surely, 2^134450670399 is an apocalyptic number.

134450670399 is a deficient number, since it is larger than the sum of its proper divisors (44816890137).

134450670399 is an equidigital number, since it uses as much as digits as its factorization.

134450670399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44816890136.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 134450670399 in words is "one hundred thirty-four billion, four hundred fifty million, six hundred seventy thousand, three hundred ninety-nine".