425799139 has 6 divisors (see below), whose sum is σ = 449389500. Its totient is φ = 403388316.

The previous prime is 425799131. The next prime is 425799169. The reversal of 425799139 is 931997524.

It is not a de Polignac number, because 425799139 - 2³ = 425799131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425799092 and 425799101.

It is not an unprimeable number, because it can be changed into a prime (425799131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589389 + ... + 590110.

It is an arithmetic number, because the mean of its divisors is an integer number (74898250).

Almost surely, 2^425799139 is an apocalyptic number.

425799139 is a deficient number, since it is larger than the sum of its proper divisors (23590361).

425799139 is a wasteful number, since it uses less digits than its factorization.

425799139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179537 (or 1179518 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 425799139 is about 20634.9009932202. The cubic root of 425799139 is about 752.3182426554.

The spelling of 425799139 in words is "four hundred twenty-five million, seven hundred ninety-nine thousand, one hundred thirty-nine".