32164139 has 16 divisors (see below), whose sum is σ = 38016000. Its totient is φ = 27197352.

The previous prime is 32164127. The next prime is 32164199. The reversal of 32164139 is 93146123.

It is not a de Polignac number, because 32164139 - 2⁴ = 32164123 is a prime.

It is a super-2 number, since 2×32164139² = 2069063675222642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32164109) 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, 26504 + ... + 27690.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^32164139 is an apocalyptic number.

32164139 is a deficient number, since it is larger than the sum of its proper divisors (5851861).

32164139 is an equidigital number, since it uses as much as digits as its factorization.

32164139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1273 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 32164139 is about 5671.3436679503. The cubic root of 32164139 is about 318.0221066340.

The spelling of 32164139 in words is "thirty-two million, one hundred sixty-four thousand, one hundred thirty-nine".