106149793 has 4 divisors (see below), whose sum is σ = 106180740. Its totient is φ = 106118848.

The previous prime is 106149787. The next prime is 106149809. The reversal of 106149793 is 397941601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397941601 = 149 ⋅2670749.

It can be written as a sum of positive squares in 2 ways, for example, as 66308449 + 39841344 = 8143^2 + 6312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106149793 is a prime.

It is a super-2 number, since 2×106149793² = 22535557107885698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106149733) 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, 9580 + ... + 17437.

It is an arithmetic number, because the mean of its divisors is an integer number (26545185).

Almost surely, 2^106149793 is an apocalyptic number.

It is an amenable number.

106149793 is a deficient number, since it is larger than the sum of its proper divisors (30947).

106149793 is an equidigital number, since it uses as much as digits as its factorization.

106149793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30946.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 106149793 is about 10302.9021639536. The cubic root of 106149793 is about 473.4851730788.

The spelling of 106149793 in words is "one hundred six million, one hundred forty-nine thousand, seven hundred ninety-three".