134766511625 has 16 divisors (see below), whose sum is σ = 168198904848. Its totient is φ = 107806608000.

The previous prime is 134766511573. The next prime is 134766511651. The reversal of 134766511625 is 526115667431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7620067849 + 127146443776 = 87293^2 + 356576^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134766511625 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134766511625.

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, 3686939 + ... + 3723311.

It is an arithmetic number, because the mean of its divisors is an integer number (10512431553).

Almost surely, 2^134766511625 is an apocalyptic number.

It is an amenable number.

134766511625 is a deficient number, since it is larger than the sum of its proper divisors (33432393223).

134766511625 is an equidigital number, since it uses as much as digits as its factorization.

134766511625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66029 (or 66019 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 134766511625 in words is "one hundred thirty-four billion, seven hundred sixty-six million, five hundred eleven thousand, six hundred twenty-five".