135612747677 has 16 divisors (see below), whose sum is σ = 148587566400. Its totient is φ = 122746122240.

The previous prime is 135612747659. The next prime is 135612747707. The reversal of 135612747677 is 776747216531.

It is a cyclic number.

It is not a de Polignac number, because 135612747677 - 2⁸ = 135612747421 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 (135612717677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6602099 + ... + 6622607.

It is an arithmetic number, because the mean of its divisors is an integer number (9286722900).

Almost surely, 2^135612747677 is an apocalyptic number.

It is an amenable number.

135612747677 is a deficient number, since it is larger than the sum of its proper divisors (12974818723).

135612747677 is a wasteful number, since it uses less digits than its factorization.

135612747677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23116.

The product of its digits is 10372320, while the sum is 56.

The spelling of 135612747677 in words is "one hundred thirty-five billion, six hundred twelve million, seven hundred forty-seven thousand, six hundred seventy-seven".