32140019 has 4 divisors (see below), whose sum is σ = 32185440. Its totient is φ = 32094600.

The previous prime is 32139977. The next prime is 32140021. The reversal of 32140019 is 91004123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32140019 is a prime.

It is a super-2 number, since 2×32140019² = 2065961642640722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32140099) 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, 21632 + ... + 23069.

It is an arithmetic number, because the mean of its divisors is an integer number (8046360).

Almost surely, 2^32140019 is an apocalyptic number.

32140019 is a deficient number, since it is larger than the sum of its proper divisors (45421).

32140019 is an equidigital number, since it uses as much as digits as its factorization.

32140019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45420.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 32140019 is about 5669.2167889401. The cubic root of 32140019 is about 317.9425914588.

The spelling of 32140019 in words is "thirty-two million, one hundred forty thousand, nineteen".