136545453727 has 4 divisors (see below), whose sum is σ = 136669249440. Its totient is φ = 136421658016.

The previous prime is 136545453703. The next prime is 136545453743. The reversal of 136545453727 is 727354545631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136545453727 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 (136545453227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61896202 + ... + 61898407.

It is an arithmetic number, because the mean of its divisors is an integer number (34167312360).

Almost surely, 2^136545453727 is an apocalyptic number.

136545453727 is a deficient number, since it is larger than the sum of its proper divisors (123795713).

136545453727 is a wasteful number, since it uses less digits than its factorization.

136545453727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123795712.

The product of its digits is 10584000, while the sum is 52.

The spelling of 136545453727 in words is "one hundred thirty-six billion, five hundred forty-five million, four hundred fifty-three thousand, seven hundred twenty-seven".