139730485 has 16 divisors (see below), whose sum is σ = 175537152. Its totient is φ = 106646400.

The previous prime is 139730453. The next prime is 139730491. The reversal of 139730485 is 584037931.

It is not a de Polignac number, because 139730485 - 2⁵ = 139730453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4657 + ... + 17353.

It is an arithmetic number, because the mean of its divisors is an integer number (10971072).

Almost surely, 2^139730485 is an apocalyptic number.

It is an amenable number.

139730485 is a deficient number, since it is larger than the sum of its proper divisors (35806667).

139730485 is a wasteful number, since it uses less digits than its factorization.

139730485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 139730485 is about 11820.7649921653. The cubic root of 139730485 is about 518.9159925558.

The spelling of 139730485 in words is "one hundred thirty-nine million, seven hundred thirty thousand, four hundred eighty-five".