139046948 has 6 divisors (see below), whose sum is σ = 243332166. Its totient is φ = 69523472.

The previous prime is 139046933. The next prime is 139046981. The reversal of 139046948 is 849640931.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 47997184 = 9542^2 + 6928^2 .

It is a super-2 number, since 2×139046948² = 38668107496229408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139046899 and 139046908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17380865 + ... + 17380872.

It is an arithmetic number, because the mean of its divisors is an integer number (40555361).

Almost surely, 2^139046948 is an apocalyptic number.

It is an amenable number.

139046948 is a deficient number, since it is larger than the sum of its proper divisors (104285218).

139046948 is a wasteful number, since it uses less digits than its factorization.

139046948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34761741 (or 34761739 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 139046948 is about 11791.8169931525. The cubic root of 139046948 is about 518.0684604140.

The spelling of 139046948 in words is "one hundred thirty-nine million, forty-six thousand, nine hundred forty-eight".