139237348 has 6 divisors (see below), whose sum is σ = 243665366. Its totient is φ = 69618672.

The previous prime is 139237333. The next prime is 139237349. The reversal of 139237348 is 843732931.

It can be written as a sum of positive squares in only one way, i.e., 138109504 + 1127844 = 11752^2 + 1062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139237348.

It is not an unprimeable number, because it can be changed into a prime (139237349) 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 as a sum of consecutive naturals, namely, 17404665 + ... + 17404672.

Almost surely, 2^139237348 is an apocalyptic number.

It is an amenable number.

139237348 is a deficient number, since it is larger than the sum of its proper divisors (104428018).

139237348 is a wasteful number, since it uses less digits than its factorization.

139237348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34809341 (or 34809339 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 139237348 is about 11799.8876265836. The cubic root of 139237348 is about 518.3048200203.

The spelling of 139237348 in words is "one hundred thirty-nine million, two hundred thirty-seven thousand, three hundred forty-eight".