106865739 has 12 divisors (see below), whose sum is σ = 155541672. Its totient is φ = 70699200.

The previous prime is 106865729. The next prime is 106865741. The reversal of 106865739 is 937568601.

It is a happy number.

106865739 is a `hidden beast` number, since 10 + 68 + 6 + 573 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-106865739 is a prime.

It is a super-2 number, since 2×106865739² = 22840572344032242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106865694 and 106865703.

It is not an unprimeable number, because it can be changed into a prime (106865719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44142 + ... + 46499.

It is an arithmetic number, because the mean of its divisors is an integer number (12961806).

Almost surely, 2^106865739 is an apocalyptic number.

106865739 is a deficient number, since it is larger than the sum of its proper divisors (48675933).

106865739 is a wasteful number, since it uses less digits than its factorization.

106865739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90778 (or 90775 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 106865739 is about 10337.5886453273. The cubic root of 106865739 is about 474.5472901858.

The spelling of 106865739 in words is "one hundred six million, eight hundred sixty-five thousand, seven hundred thirty-nine".