426709131 has 16 divisors (see below), whose sum is σ = 582578304. Its totient is φ = 277732224.

The previous prime is 426709117. The next prime is 426709147. The reversal of 426709131 is 131907624.

It is not a de Polignac number, because 426709131 - 2²³ = 418320523 is a prime.

It is a super-2 number, since 2×426709131² = 364161364957550322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426709092 and 426709101.

It is not an unprimeable number, because it can be changed into a prime (426709931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13320 + ... + 32106.

It is an arithmetic number, because the mean of its divisors is an integer number (36411144).

Almost surely, 2^426709131 is an apocalyptic number.

426709131 is a deficient number, since it is larger than the sum of its proper divisors (155869173).

426709131 is a wasteful number, since it uses less digits than its factorization.

426709131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18970.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 426709131 is about 20656.9390520474. The cubic root of 426709131 is about 752.8537975686.

The spelling of 426709131 in words is "four hundred twenty-six million, seven hundred nine thousand, one hundred thirty-one".