135820035045 has 48 divisors (see below), whose sum is σ = 245813922432. Its totient is φ = 69243672960.

The previous prime is 135820035023. The next prime is 135820035047. The reversal of 135820035045 is 540530028531.

135820035045 is a `hidden beast` number, since 1 + 3 + 582 + 0 + 0 + 35 + 0 + 45 = 666.

It is not a de Polignac number, because 135820035045 - 2¹⁵ = 135820002277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135820035047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1611810 + ... + 1693980.

It is an arithmetic number, because the mean of its divisors is an integer number (5121123384).

Almost surely, 2^135820035045 is an apocalyptic number.

135820035045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135820035045 is a deficient number, since it is larger than the sum of its proper divisors (109993887387).

135820035045 is a wasteful number, since it uses less digits than its factorization.

135820035045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83802 (or 83799 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 135820035045 in words is "one hundred thirty-five billion, eight hundred twenty million, thirty-five thousand, forty-five".