135078133545 has 16 divisors (see below), whose sum is σ = 240138904320. Its totient is φ = 72041671152.

The previous prime is 135078133481. The next prime is 135078133559. The reversal of 135078133545 is 545331870531.

135078133545 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 78 + 1 + 33 + 545 = 666.

It is not a de Polignac number, because 135078133545 - 2⁶ = 135078133481 is a prime.

It is a super-2 number, since 2×135078133545² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135078133545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500289249 + ... + 500289518.

It is an arithmetic number, because the mean of its divisors is an integer number (15008681520).

Almost surely, 2^135078133545 is an apocalyptic number.

135078133545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135078133545 is a deficient number, since it is larger than the sum of its proper divisors (105060770775).

135078133545 is a wasteful number, since it uses less digits than its factorization.

135078133545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000578781 (or 1000578775 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 135078133545 in words is "one hundred thirty-five billion, seventy-eight million, one hundred thirty-three thousand, five hundred forty-five".