139280607 has 16 divisors (see below), whose sum is σ = 207005280. Its totient is φ = 92555136.

The previous prime is 139280597. The next prime is 139280611. The reversal of 139280607 is 706082931.

It is a de Polignac number, because none of the positive numbers 2^k-139280607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139280627) 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 in 15 ways as a sum of consecutive naturals, for example, 423 + ... + 16695.

It is an arithmetic number, because the mean of its divisors is an integer number (12937830).

Almost surely, 2^139280607 is an apocalyptic number.

139280607 is a deficient number, since it is larger than the sum of its proper divisors (67724673).

139280607 is a wasteful number, since it uses less digits than its factorization.

139280607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16599 (or 16593 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 139280607 is about 11801.7205101629. The cubic root of 139280607 is about 518.3584910287.

The spelling of 139280607 in words is "one hundred thirty-nine million, two hundred eighty thousand, six hundred seven".