4139455 has 8 divisors (see below), whose sum is σ = 5004432. Its totient is φ = 3286848.

The previous prime is 4139423. The next prime is 4139477. The reversal of 4139455 is 5549314.

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

It is a cyclic number.

It is not a de Polignac number, because 4139455 - 2⁵ = 4139423 is a prime.

It is a super-4 number, since 4×4139455⁴ (a number of 28 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (625554).

Almost surely, 2^4139455 is an apocalyptic number.

4139455 is a deficient number, since it is larger than the sum of its proper divisors (864977).

4139455 is a wasteful number, since it uses less digits than its factorization.

4139455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185.

The product of its digits is 10800, while the sum is 31.

The square root of 4139455 is about 2034.5650640862. The cubic root of 4139455 is about 160.5638310694.

The spelling of 4139455 in words is "four million, one hundred thirty-nine thousand, four hundred fifty-five".