139223882 has 8 divisors (see below), whose sum is σ = 238669536. Its totient is φ = 59667372.

The previous prime is 139223881. The next prime is 139223891. The reversal of 139223882 is 288322931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139223881) 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 3 ways as a sum of consecutive naturals, for example, 4972268 + ... + 4972295.

It is an arithmetic number, because the mean of its divisors is an integer number (29833692).

Almost surely, 2^139223882 is an apocalyptic number.

139223882 is a deficient number, since it is larger than the sum of its proper divisors (99445654).

139223882 is an equidigital number, since it uses as much as digits as its factorization.

139223882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944572.

The product of its digits is 41472, while the sum is 38.

The square root of 139223882 is about 11799.3170141326. The cubic root of 139223882 is about 518.2881106201.

The spelling of 139223882 in words is "one hundred thirty-nine million, two hundred twenty-three thousand, eight hundred eighty-two".