139940882 has 32 divisors (see below), whose sum is σ = 226934784. Its totient is φ = 64584000.

The previous prime is 139940819. The next prime is 139940903. The reversal of 139940882 is 288049931.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 121007 + ... + 122157.

It is an arithmetic number, because the mean of its divisors is an integer number (7091712).

Almost surely, 2^139940882 is an apocalyptic number.

139940882 is a deficient number, since it is larger than the sum of its proper divisors (86993902).

139940882 is a wasteful number, since it uses less digits than its factorization.

139940882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 139940882 is about 11829.6611109533. The cubic root of 139940882 is about 519.1763118316.

The spelling of 139940882 in words is "one hundred thirty-nine million, nine hundred forty thousand, eight hundred eighty-two".