426839137 has 4 divisors (see below), whose sum is σ = 426913200. Its totient is φ = 426765076.

The previous prime is 426839089. The next prime is 426839159. The reversal of 426839137 is 731938624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426839137 - 2¹⁹ = 426314849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426839093 and 426839102.

It is not an unprimeable number, because it can be changed into a prime (426839167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27583 + ... + 40180.

It is an arithmetic number, because the mean of its divisors is an integer number (106728300).

Almost surely, 2^426839137 is an apocalyptic number.

It is an amenable number.

426839137 is a deficient number, since it is larger than the sum of its proper divisors (74063).

426839137 is an equidigital number, since it uses as much as digits as its factorization.

426839137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74062.

The product of its digits is 217728, while the sum is 43.

The square root of 426839137 is about 20660.0856000163. The cubic root of 426839137 is about 752.9302474384.

The spelling of 426839137 in words is "four hundred twenty-six million, eight hundred thirty-nine thousand, one hundred thirty-seven".