134802891447 has 16 divisors (see below), whose sum is σ = 205691915520. Its totient is φ = 76925979072.

The previous prime is 134802891427. The next prime is 134802891529. The reversal of 134802891447 is 744198208431.

It is not a de Polignac number, because 134802891447 - 2¹⁴ = 134802875063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134802891447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134802891427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327638 + ... + 4358675.

It is an arithmetic number, because the mean of its divisors is an integer number (12855744720).

Almost surely, 2^134802891447 is an apocalyptic number.

134802891447 is a deficient number, since it is larger than the sum of its proper divisors (70889024073).

134802891447 is an equidigital number, since it uses as much as digits as its factorization.

134802891447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687062.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 134802891447 in words is "one hundred thirty-four billion, eight hundred two million, eight hundred ninety-one thousand, four hundred forty-seven".