135947145 has 16 divisors (see below), whose sum is σ = 217668672. Its totient is φ = 72454080.

The previous prime is 135947131. The next prime is 135947177. The reversal of 135947145 is 541749531.

It is not a de Polignac number, because 135947145 - 2⁴ = 135947129 is a prime.

It is an unprimeable number.

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, 29839 + ... + 34091.

It is an arithmetic number, because the mean of its divisors is an integer number (13604292).

Almost surely, 2^135947145 is an apocalyptic number.

135947145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135947145 is a deficient number, since it is larger than the sum of its proper divisors (81721527).

135947145 is a wasteful number, since it uses less digits than its factorization.

135947145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392.

The product of its digits is 75600, while the sum is 39.

The square root of 135947145 is about 11659.6374300404. The cubic root of 135947145 is about 514.1896893580.

The spelling of 135947145 in words is "one hundred thirty-five million, nine hundred forty-seven thousand, one hundred forty-five".