106639252 has 12 divisors (see below), whose sum is σ = 187567380. Its totient is φ = 53048576.

The previous prime is 106639243. The next prime is 106639261. The reversal of 106639252 is 252936601.

It is an interprime number because it is at equal distance from previous prime (106639243) and next prime (106639261).

It can be written as a sum of positive squares in 2 ways, for example, as 82373776 + 24265476 = 9076^2 + 4926^2 .

It is a super-2 number, since 2×106639252² = 22743860134239008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66877 + ... + 68452.

It is an arithmetic number, because the mean of its divisors is an integer number (15630615).

Almost surely, 2^106639252 is an apocalyptic number.

It is an amenable number.

106639252 is a deficient number, since it is larger than the sum of its proper divisors (80928128).

106639252 is a wasteful number, since it uses less digits than its factorization.

106639252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135530 (or 135528 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 106639252 is about 10326.6282977553. The cubic root of 106639252 is about 474.2118075156.

The spelling of 106639252 in words is "one hundred six million, six hundred thirty-nine thousand, two hundred fifty-two".