32101139 has 4 divisors (see below), whose sum is σ = 36687024. Its totient is φ = 27515256.

The previous prime is 32101087. The next prime is 32101171. The reversal of 32101139 is 93110123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93110123 = 139 ⋅669857.

It is a cyclic number.

It is not a de Polignac number, because 32101139 - 2²⁴ = 15323923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32101139.

It is not an unprimeable number, because it can be changed into a prime (32101039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292932 + ... + 2292945.

It is an arithmetic number, because the mean of its divisors is an integer number (9171756).

Almost surely, 2^32101139 is an apocalyptic number.

32101139 is a deficient number, since it is larger than the sum of its proper divisors (4585885).

32101139 is an equidigital number, since it uses as much as digits as its factorization.

32101139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585884.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 32101139 is about 5665.7867061865. The cubic root of 32101139 is about 317.8143339538.

The spelling of 32101139 in words is "thirty-two million, one hundred one thousand, one hundred thirty-nine".