135379379545 has 12 divisors (see below), whose sum is σ = 165255424740. Its totient is φ = 106467837344.

The previous prime is 135379379477. The next prime is 135379379581. The reversal of 135379379545 is 545973973531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47551908096 + 87827471449 = 218064^2 + 296357^2 .

It is not a de Polignac number, because 135379379545 - 2⁷ = 135379379417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3871690 + ... + 3906499.

It is an arithmetic number, because the mean of its divisors is an integer number (13771285395).

Almost surely, 2^135379379545 is an apocalyptic number.

It is an amenable number.

135379379545 is a deficient number, since it is larger than the sum of its proper divisors (29876045195).

135379379545 is an frugal number, since it uses more digits than its factorization.

135379379545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778312 (or 7778253 counting only the distinct ones).

The product of its digits is 53581500, while the sum is 61.

The spelling of 135379379545 in words is "one hundred thirty-five billion, three hundred seventy-nine million, three hundred seventy-nine thousand, five hundred forty-five".