135454909677 has 8 divisors (see below), whose sum is σ = 188459004864. Its totient is φ = 86377043808.

The previous prime is 135454909657. The next prime is 135454909679. The reversal of 135454909677 is 776909454531.

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

It is not a de Polignac number, because 135454909677 - 2⁶ = 135454909613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135454909677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135454909679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981557248 + ... + 981557385.

It is an arithmetic number, because the mean of its divisors is an integer number (23557375608).

Almost surely, 2^135454909677 is an apocalyptic number.

It is an amenable number.

135454909677 is a deficient number, since it is larger than the sum of its proper divisors (53004095187).

135454909677 is a wasteful number, since it uses less digits than its factorization.

135454909677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963114659.

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 135454909677 in words is "one hundred thirty-five billion, four hundred fifty-four million, nine hundred nine thousand, six hundred seventy-seven".