1405131006 has 16 divisors (see below), whose sum is σ = 2816668800. Its totient is φ = 467309208.

The previous prime is 1405130999. The next prime is 1405131023. The reversal of 1405131006 is 6001315041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264096 + ... + 269363.

It is an arithmetic number, because the mean of its divisors is an integer number (176041800).

Almost surely, 2^1405131006 is an apocalyptic number.

1405131006 is an abundant number, since it is smaller than the sum of its proper divisors (1411537794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1405131006 is a wasteful number, since it uses less digits than its factorization.

1405131006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533903.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1405131006 is about 37485.0771107650. The cubic root of 1405131006 is about 1120.0539424487.

Adding to 1405131006 its reverse (6001315041), we get a palindrome (7406446047).

The spelling of 1405131006 in words is "one billion, four hundred five million, one hundred thirty-one thousand, six".