135177551773 has 4 divisors (see below), whose sum is σ = 147466420128. Its totient is φ = 122888683420.

The previous prime is 135177551731. The next prime is 135177551801. The reversal of 135177551773 is 377155771531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135177551773 - 2¹³ = 135177543581 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 135177551773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135177551473) 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, 6144434161 + ... + 6144434182.

It is an arithmetic number, because the mean of its divisors is an integer number (36866605032).

Almost surely, 2^135177551773 is an apocalyptic number.

It is an amenable number.

135177551773 is a deficient number, since it is larger than the sum of its proper divisors (12288868355).

135177551773 is a wasteful number, since it uses less digits than its factorization.

135177551773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288868354.

The product of its digits is 2701125, while the sum is 52.

The spelling of 135177551773 in words is "one hundred thirty-five billion, one hundred seventy-seven million, five hundred fifty-one thousand, seven hundred seventy-three".