107139786 has 32 divisors (see below), whose sum is σ = 231181440. Its totient is φ = 32906304.

The previous prime is 107139779. The next prime is 107139787. The reversal of 107139786 is 687931701.

It is a super-2 number, since 2×107139786² = 22957867488251592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107139787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63360 + ... + 65028.

It is an arithmetic number, because the mean of its divisors is an integer number (7224420).

Almost surely, 2^107139786 is an apocalyptic number.

107139786 is an abundant number, since it is smaller than the sum of its proper divisors (124041654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

107139786 is a wasteful number, since it uses less digits than its factorization.

107139786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 107139786 is about 10350.8350387783. The cubic root of 107139786 is about 474.9525876961.

The spelling of 107139786 in words is "one hundred seven million, one hundred thirty-nine thousand, seven hundred eighty-six".