425139039 has 24 divisors (see below), whose sum is σ = 663196352. Its totient is φ = 260884800.

The previous prime is 425139037. The next prime is 425139067. The reversal of 425139039 is 930931524.

It is a happy number.

It is not a de Polignac number, because 425139039 - 2¹ = 425139037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425138994 and 425139012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425139037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37989 + ... + 47889.

Almost surely, 2^425139039 is an apocalyptic number.

425139039 is a deficient number, since it is larger than the sum of its proper divisors (238057313).

425139039 is a wasteful number, since it uses less digits than its factorization.

425139039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287 (or 10284 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 425139039 is about 20618.9000434068. The cubic root of 425139039 is about 751.9292782585.

The spelling of 425139039 in words is "four hundred twenty-five million, one hundred thirty-nine thousand, thirty-nine".