135571045 has 16 divisors (see below), whose sum is σ = 166890240. Its totient is φ = 105666624.

The previous prime is 135571043. The next prime is 135571049. The reversal of 135571045 is 540175531.

It is a cyclic number.

It is not a de Polignac number, because 135571045 - 2¹ = 135571043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135570998 and 135571016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135571043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154147 + ... + 155023.

It is an arithmetic number, because the mean of its divisors is an integer number (10430640).

Almost surely, 2^135571045 is an apocalyptic number.

It is an amenable number.

135571045 is a deficient number, since it is larger than the sum of its proper divisors (31319195).

135571045 is an equidigital number, since it uses as much as digits as its factorization.

135571045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 135571045 is about 11643.4979709708. The cubic root of 135571045 is about 513.7150800220.

The spelling of 135571045 in words is "one hundred thirty-five million, five hundred seventy-one thousand, forty-five".