604455139 has 4 divisors (see below), whose sum is σ = 606984480. Its totient is φ = 601925800.

The previous prime is 604455133. The next prime is 604455197. The reversal of 604455139 is 931554406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 604455139 - 2⁷ = 604455011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 604455098 and 604455107.

It is not an unprimeable number, because it can be changed into a prime (604455133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264312 + ... + 1264789.

It is an arithmetic number, because the mean of its divisors is an integer number (151746120).

Almost surely, 2^604455139 is an apocalyptic number.

604455139 is a deficient number, since it is larger than the sum of its proper divisors (2529341).

604455139 is a wasteful number, since it uses less digits than its factorization.

604455139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529340.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 604455139 is about 24585.6693827929. The cubic root of 604455139 is about 845.5150806146.

The spelling of 604455139 in words is "six hundred four million, four hundred fifty-five thousand, one hundred thirty-nine".