106009139 has 4 divisors (see below), whose sum is σ = 110618256. Its totient is φ = 101400024.

The previous prime is 106009133. The next prime is 106009153. The reversal of 106009139 is 931900601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931900601 = 43 ⋅21672107.

It is a cyclic number.

It is not a de Polignac number, because 106009139 - 2⁸ = 106008883 is a prime.

It is a super-2 number, since 2×106009139² = 22475875103042642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106009133) 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, 2304524 + ... + 2304569.

It is an arithmetic number, because the mean of its divisors is an integer number (27654564).

Almost surely, 2^106009139 is an apocalyptic number.

106009139 is a deficient number, since it is larger than the sum of its proper divisors (4609117).

106009139 is an equidigital number, since it uses as much as digits as its factorization.

106009139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609116.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 106009139 is about 10296.0739604958. The cubic root of 106009139 is about 473.2759498091.

The spelling of 106009139 in words is "one hundred six million, nine thousand, one hundred thirty-nine".