16933139 has 4 divisors (see below), whose sum is σ = 17929224. Its totient is φ = 15937056.

The previous prime is 16933073. The next prime is 16933141. The reversal of 16933139 is 93133961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93133961 = 89 ⋅1046449.

It is a cyclic number.

It is not a de Polignac number, because 16933139 - 2¹² = 16929043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16933099 and 16933108.

It is not an unprimeable number, because it can be changed into a prime (16933159) 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, 498017 + ... + 498050.

It is an arithmetic number, because the mean of its divisors is an integer number (4482306).

Almost surely, 2^16933139 is an apocalyptic number.

16933139 is a deficient number, since it is larger than the sum of its proper divisors (996085).

16933139 is an equidigital number, since it uses as much as digits as its factorization.

16933139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996084.

The product of its digits is 13122, while the sum is 35.

The square root of 16933139 is about 4114.9895504120. The cubic root of 16933139 is about 256.7906211496.

The spelling of 16933139 in words is "sixteen million, nine hundred thirty-three thousand, one hundred thirty-nine".