426767138 has 16 divisors (see below), whose sum is σ = 734642304. Its totient is φ = 182139840.

The previous prime is 426767137. The next prime is 426767171. The reversal of 426767138 is 831767624.

It is a super-2 number, since 2×426767138² = 364260380153422088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (426767137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59870 + ... + 66617.

It is an arithmetic number, because the mean of its divisors is an integer number (45915144).

Almost surely, 2^426767138 is an apocalyptic number.

426767138 is a deficient number, since it is larger than the sum of its proper divisors (307875166).

426767138 is a wasteful number, since it uses less digits than its factorization.

426767138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126737.

The product of its digits is 338688, while the sum is 44.

The square root of 426767138 is about 20658.3430603715. The cubic root of 426767138 is about 752.8879104324.

The spelling of 426767138 in words is "four hundred twenty-six million, seven hundred sixty-seven thousand, one hundred thirty-eight".