134189835945 has 16 divisors (see below), whose sum is σ = 234222259392. Its totient is φ = 65061738560.

The previous prime is 134189835881. The next prime is 134189835953. The reversal of 134189835945 is 549538981431.

It is a happy number.

It is not a de Polignac number, because 134189835945 - 2⁶ = 134189835881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406635702 + ... + 406636031.

It is an arithmetic number, because the mean of its divisors is an integer number (14638891212).

Almost surely, 2^134189835945 is an apocalyptic number.

134189835945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134189835945 is a deficient number, since it is larger than the sum of its proper divisors (100032423447).

134189835945 is a wasteful number, since it uses less digits than its factorization.

134189835945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813271752.

The product of its digits is 18662400, while the sum is 60.

The spelling of 134189835945 in words is "one hundred thirty-four billion, one hundred eighty-nine million, eight hundred thirty-five thousand, nine hundred forty-five".