134025189481 has 4 divisors (see below), whose sum is σ = 134064531072. Its totient is φ = 133985847892.

The previous prime is 134025189469. The next prime is 134025189497. The reversal of 134025189481 is 184981520431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184981520431 = 115783 ⋅1597657.

It is a cyclic number.

It is not a de Polignac number, because 134025189481 - 2²⁹ = 133488318569 is a prime.

It is a super-2 number, since 2×134025189481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134025189421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19665685 + ... + 19672498.

It is an arithmetic number, because the mean of its divisors is an integer number (33516132768).

Almost surely, 2^134025189481 is an apocalyptic number.

It is an amenable number.

134025189481 is a deficient number, since it is larger than the sum of its proper divisors (39341591).

134025189481 is an equidigital number, since it uses as much as digits as its factorization.

134025189481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39341590.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 134025189481 in words is "one hundred thirty-four billion, twenty-five million, one hundred eighty-nine thousand, four hundred eighty-one".