408700131 has 12 divisors (see below), whose sum is σ = 633902472. Its totient is φ = 233542848.

The previous prime is 408700129. The next prime is 408700141. The reversal of 408700131 is 131007804.

It is not a de Polignac number, because 408700131 - 2¹ = 408700129 is a prime.

It is a super-3 number, since 3×408700131³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (408700121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389990 + ... + 1390283.

It is an arithmetic number, because the mean of its divisors is an integer number (52825206).

Almost surely, 2^408700131 is an apocalyptic number.

408700131 is a deficient number, since it is larger than the sum of its proper divisors (225202341).

408700131 is a wasteful number, since it uses less digits than its factorization.

408700131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780290 (or 2780283 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 408700131 is about 20216.3332728762. Note that the first 3 decimals coincide. The cubic root of 408700131 is about 742.1099575979.

Adding to 408700131 its reverse (131007804), we get a palindrome (539707935).

The spelling of 408700131 in words is "four hundred eight million, seven hundred thousand, one hundred thirty-one".