139151606 has 32 divisors (see below), whose sum is σ = 234026496. Its totient is φ = 61516000.

The previous prime is 139151603. The next prime is 139151609. The reversal of 139151606 is 606151931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139151603) and next prime (139151609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139151603) 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, 152291 + ... + 153201.

It is an arithmetic number, because the mean of its divisors is an integer number (7313328).

Almost surely, 2^139151606 is an apocalyptic number.

139151606 is a deficient number, since it is larger than the sum of its proper divisors (94874890).

139151606 is a wasteful number, since it uses less digits than its factorization.

139151606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 139151606 is about 11796.2538968946. The cubic root of 139151606 is about 518.1984079172.

The spelling of 139151606 in words is "one hundred thirty-nine million, one hundred fifty-one thousand, six hundred six".