32605139 has 12 divisors (see below), whose sum is σ = 38390184. Its totient is φ = 27607104.

The previous prime is 32605129. The next prime is 32605141. The reversal of 32605139 is 93150623.

It is a de Polignac number, because none of the positive numbers 2^k-32605139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32605129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (3199182).

Almost surely, 2^32605139 is an apocalyptic number.

32605139 is a deficient number, since it is larger than the sum of its proper divisors (5785045).

32605139 is an equidigital number, since it uses as much as digits as its factorization.

32605139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114 (or 8107 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 32605139 is about 5710.0909800107. The cubic root of 32605139 is about 319.4689727846.

The spelling of 32605139 in words is "thirty-two million, six hundred five thousand, one hundred thirty-nine".