139575705 has 32 divisors (see below), whose sum is σ = 229340160. Its totient is φ = 72461760.

The previous prime is 139575703. The next prime is 139575719. The reversal of 139575705 is 507575931.

It is not a de Polignac number, because 139575705 - 2¹ = 139575703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139575701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87606 + ... + 89184.

It is an arithmetic number, because the mean of its divisors is an integer number (7166880).

Almost surely, 2^139575705 is an apocalyptic number.

139575705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139575705 is a deficient number, since it is larger than the sum of its proper divisors (89764455).

139575705 is a wasteful number, since it uses less digits than its factorization.

139575705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 165375, while the sum is 42.

The square root of 139575705 is about 11814.2162245322. The cubic root of 139575705 is about 518.7243200139.

The spelling of 139575705 in words is "one hundred thirty-nine million, five hundred seventy-five thousand, seven hundred five".