136610625565 has 8 divisors (see below), whose sum is σ = 163937886048. Its totient is φ = 109285076880.

The previous prime is 136610625527. The next prime is 136610625577. The reversal of 136610625565 is 565526016631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-136610625565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245287 + ... + 577396.

It is an arithmetic number, because the mean of its divisors is an integer number (20492235756).

Almost surely, 2^136610625565 is an apocalyptic number.

It is an amenable number.

136610625565 is a deficient number, since it is larger than the sum of its proper divisors (27327260483).

136610625565 is an equidigital number, since it uses as much as digits as its factorization.

136610625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855899.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 136610625565 in words is "one hundred thirty-six billion, six hundred ten million, six hundred twenty-five thousand, five hundred sixty-five".