139082455 has 8 divisors (see below), whose sum is σ = 170969904. Its totient is φ = 108552000.

The previous prime is 139082453. The next prime is 139082473. The reversal of 139082455 is 554280931.

139082455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 139082455 - 2¹ = 139082453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139082453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339021 + ... + 339430.

It is an arithmetic number, because the mean of its divisors is an integer number (21371238).

Almost surely, 2^139082455 is an apocalyptic number.

139082455 is a deficient number, since it is larger than the sum of its proper divisors (31887449).

139082455 is an equidigital number, since it uses as much as digits as its factorization.

139082455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678497.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 139082455 is about 11793.3224750280. The cubic root of 139082455 is about 518.1125546127.

It can be divided in two parts, 1390 and 82455, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 139082455 in words is "one hundred thirty-nine million, eighty-two thousand, four hundred fifty-five".