139385545 has 16 divisors (see below), whose sum is σ = 181000512. Its totient is φ = 102432960.

The previous prime is 139385537. The next prime is 139385551. The reversal of 139385545 is 545583931.

139385545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139385545 - 2³ = 139385537 is a prime.

It is a Duffinian 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, 8634 + ... + 18796.

It is an arithmetic number, because the mean of its divisors is an integer number (11312532).

Almost surely, 2^139385545 is an apocalyptic number.

It is an amenable number.

139385545 is a deficient number, since it is larger than the sum of its proper divisors (41614967).

139385545 is a wasteful number, since it uses less digits than its factorization.

139385545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392.

The product of its digits is 324000, while the sum is 43.

The square root of 139385545 is about 11806.1655502538. The cubic root of 139385545 is about 518.4886403945.

The spelling of 139385545 in words is "one hundred thirty-nine million, three hundred eighty-five thousand, five hundred forty-five".