139067284 has 6 divisors (see below), whose sum is σ = 243367754. Its totient is φ = 69533640.

The previous prime is 139067281. The next prime is 139067287. The reversal of 139067284 is 482760931.

It is an interprime number because it is at equal distance from previous prime (139067281) and next prime (139067287).

It can be written as a sum of positive squares in only one way, i.e., 130599184 + 8468100 = 11428^2 + 2910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139067281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17383407 + ... + 17383414.

Almost surely, 2^139067284 is an apocalyptic number.

It is an amenable number.

139067284 is a deficient number, since it is larger than the sum of its proper divisors (104300470).

139067284 is a wasteful number, since it uses less digits than its factorization.

139067284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34766825 (or 34766823 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 139067284 is about 11792.6792545206. The cubic root of 139067284 is about 518.0937154970.

The spelling of 139067284 in words is "one hundred thirty-nine million, sixty-seven thousand, two hundred eighty-four".