134525105661 has 32 divisors (see below), whose sum is σ = 193766010880. Its totient is φ = 82758801600.

The previous prime is 134525105633. The next prime is 134525105717. The reversal of 134525105661 is 166501525431.

It is not a de Polignac number, because 134525105661 - 2¹⁷ = 134524974589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134525105621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170316 + ... + 545946.

It is an arithmetic number, because the mean of its divisors is an integer number (6055187840).

Almost surely, 2^134525105661 is an apocalyptic number.

It is an amenable number.

134525105661 is a deficient number, since it is larger than the sum of its proper divisors (59240905219).

134525105661 is a wasteful number, since it uses less digits than its factorization.

134525105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375817.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 134525105661 in words is "one hundred thirty-four billion, five hundred twenty-five million, one hundred five thousand, six hundred sixty-one".