132947385 has 16 divisors (see below), whose sum is σ = 213549696. Its totient is φ = 70627328.

The previous prime is 132947359. The next prime is 132947387. The reversal of 132947385 is 583749231.

It is a cyclic number.

It is not a de Polignac number, because 132947385 - 2⁷ = 132947257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132947387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13389 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (13346856).

Almost surely, 2^132947385 is an apocalyptic number.

132947385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132947385 is a deficient number, since it is larger than the sum of its proper divisors (80602311).

132947385 is a wasteful number, since it uses less digits than its factorization.

132947385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34752.

The product of its digits is 181440, while the sum is 42.

The square root of 132947385 is about 11530.2812194673. The cubic root of 132947385 is about 510.3795521386.

The spelling of 132947385 in words is "one hundred thirty-two million, nine hundred forty-seven thousand, three hundred eighty-five".