139626282 has 16 divisors (see below), whose sum is σ = 280264032. Its totient is φ = 46373520.

The previous prime is 139626281. The next prime is 139626283. The reversal of 139626282 is 282626931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139626281) and next prime (139626283).

It is a self number, because there is not a number n which added to its sum of digits gives 139626282.

It is not an unprimeable number, because it can be changed into a prime (139626281) 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 7 ways as a sum of consecutive naturals, for example, 40344 + ... + 43667.

It is an arithmetic number, because the mean of its divisors is an integer number (17516502).

Almost surely, 2^139626282 is an apocalyptic number.

139626282 is an abundant number, since it is smaller than the sum of its proper divisors (140637750).

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

139626282 is a wasteful number, since it uses less digits than its factorization.

139626282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84293.

The product of its digits is 62208, while the sum is 39.

The square root of 139626282 is about 11816.3565450607. The cubic root of 139626282 is about 518.7869678595.

The spelling of 139626282 in words is "one hundred thirty-nine million, six hundred twenty-six thousand, two hundred eighty-two".