134872350447 has 4 divisors (see below), whose sum is σ = 179829800600. Its totient is φ = 89914900296.

The previous prime is 134872350433. The next prime is 134872350463. The reversal of 134872350447 is 744053278431.

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

It is not a de Polignac number, because 134872350447 - 2¹² = 134872346351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134872350396 and 134872350405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134872350947) 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, 22478725072 + ... + 22478725077.

It is an arithmetic number, because the mean of its divisors is an integer number (44957450150).

Almost surely, 2^134872350447 is an apocalyptic number.

134872350447 is a deficient number, since it is larger than the sum of its proper divisors (44957450153).

134872350447 is an equidigital number, since it uses as much as digits as its factorization.

134872350447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44957450152.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 134872350447 in words is "one hundred thirty-four billion, eight hundred seventy-two million, three hundred fifty thousand, four hundred forty-seven".