106139474 has 16 divisors (see below), whose sum is σ = 187823616. Its totient is φ = 44020800.

The previous prime is 106139471. The next prime is 106139477. The reversal of 106139474 is 474931601.

It is an interprime number because it is at equal distance from previous prime (106139471) and next prime (106139477).

It is a super-2 number, since 2×106139474² = 22531175881993352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (106139471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121847 + ... + 122714.

It is an arithmetic number, because the mean of its divisors is an integer number (11738976).

Almost surely, 2^106139474 is an apocalyptic number.

106139474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

106139474 is a deficient number, since it is larger than the sum of its proper divisors (81684142).

106139474 is a wasteful number, since it uses less digits than its factorization.

106139474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244601.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 106139474 is about 10302.4013705543. The cubic root of 106139474 is about 473.4698298181.

The spelling of 106139474 in words is "one hundred six million, one hundred thirty-nine thousand, four hundred seventy-four".