139384355 has 8 divisors (see below), whose sum is σ = 182466864. Its totient is φ = 101370400.

The previous prime is 139384327. The next prime is 139384363. The reversal of 139384355 is 553483931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139384355 - 2¹⁰ = 139383331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1267076 + ... + 1267185.

It is an arithmetic number, because the mean of its divisors is an integer number (22808358).

Almost surely, 2^139384355 is an apocalyptic number.

139384355 is a deficient number, since it is larger than the sum of its proper divisors (43082509).

139384355 is a wasteful number, since it uses less digits than its factorization.

139384355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534277.

The product of its digits is 194400, while the sum is 41.

The square root of 139384355 is about 11806.1151527503. The cubic root of 139384355 is about 518.4871648631.

The spelling of 139384355 in words is "one hundred thirty-nine million, three hundred eighty-four thousand, three hundred fifty-five".