139903084 has 6 divisors (see below), whose sum is σ = 244830404. Its totient is φ = 69951540.

The previous prime is 139903069. The next prime is 139903087. The reversal of 139903084 is 480309931.

It is a super-2 number, since 2×139903084² = 39145745825422112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139903087) 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 as a sum of consecutive naturals, namely, 17487882 + ... + 17487889.

Almost surely, 2^139903084 is an apocalyptic number.

It is an amenable number.

139903084 is a deficient number, since it is larger than the sum of its proper divisors (104927320).

139903084 is a wasteful number, since it uses less digits than its factorization.

139903084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34975775 (or 34975773 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 139903084 is about 11828.0634086904. The cubic root of 139903084 is about 519.1295644885.

The spelling of 139903084 in words is "one hundred thirty-nine million, nine hundred three thousand, eighty-four".