139336292 has 6 divisors (see below), whose sum is σ = 243838518. Its totient is φ = 69668144.

The previous prime is 139336279. The next prime is 139336303. The reversal of 139336292 is 292633931.

It can be written as a sum of positive squares in only one way, i.e., 135117376 + 4218916 = 11624^2 + 2054^2 .

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 as a sum of consecutive naturals, namely, 17417033 + ... + 17417040.

It is an arithmetic number, because the mean of its divisors is an integer number (40639753).

Almost surely, 2^139336292 is an apocalyptic number.

It is an amenable number.

139336292 is a deficient number, since it is larger than the sum of its proper divisors (104502226).

139336292 is a wasteful number, since it uses less digits than its factorization.

139336292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34834077 (or 34834075 counting only the distinct ones).

The product of its digits is 52488, while the sum is 38.

The square root of 139336292 is about 11804.0794643208. The cubic root of 139336292 is about 518.4275624936.

The spelling of 139336292 in words is "one hundred thirty-nine million, three hundred thirty-six thousand, two hundred ninety-two".