139516270 has 16 divisors (see below), whose sum is σ = 257917248. Its totient is φ = 54298080.

The previous prime is 139516217. The next prime is 139516271. The reversal of 139516270 is 72615931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139516271) 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 7 ways as a sum of consecutive naturals, for example, 188166 + ... + 188905.

It is an arithmetic number, because the mean of its divisors is an integer number (16119828).

Almost surely, 2^139516270 is an apocalyptic number.

139516270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139516270 is a deficient number, since it is larger than the sum of its proper divisors (118400978).

139516270 is a wasteful number, since it uses less digits than its factorization.

139516270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377115.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 139516270 is about 11811.7005549582. The cubic root of 139516270 is about 518.6506807486.

The spelling of 139516270 in words is "one hundred thirty-nine million, five hundred sixteen thousand, two hundred seventy".