419928139 has 8 divisors (see below), whose sum is σ = 456289280. Its totient is φ = 384993000.

The previous prime is 419928121. The next prime is 419928143. The reversal of 419928139 is 931829914.

It is a happy number.

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 419928139 - 2²⁵ = 386373707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419928199) by changing a digit.

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, 355887 + ... + 357064.

It is an arithmetic number, because the mean of its divisors is an integer number (57036160).

Almost surely, 2^419928139 is an apocalyptic number.

419928139 is a deficient number, since it is larger than the sum of its proper divisors (36361141).

419928139 is a wasteful number, since it uses less digits than its factorization.

419928139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713001.

The product of its digits is 139968, while the sum is 46.

The square root of 419928139 is about 20492.1482280409. The cubic root of 419928139 is about 748.8445253445.

The spelling of 419928139 in words is "four hundred nineteen million, nine hundred twenty-eight thousand, one hundred thirty-nine".