134891445225 has 12 divisors (see below), whose sum is σ = 223020522896. Its totient is φ = 71942104080.

The previous prime is 134891445223. The next prime is 134891445257. The reversal of 134891445225 is 522544198431.

It is a happy number.

It is not a de Polignac number, because 134891445225 - 2¹ = 134891445223 is a prime.

It is a super-3 number, since 3×134891445225³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134891445223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899276227 + ... + 899276376.

Almost surely, 2^134891445225 is an apocalyptic number.

134891445225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134891445225 is a deficient number, since it is larger than the sum of its proper divisors (88129077671).

134891445225 is a wasteful number, since it uses less digits than its factorization.

134891445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798552616 (or 1798552611 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 134891445225 in words is "one hundred thirty-four billion, eight hundred ninety-one million, four hundred forty-five thousand, two hundred twenty-five".