1371431406 has 16 divisors (see below), whose sum is σ = 2743228800. Its totient is φ = 457082808.

The previous prime is 1371431357. The next prime is 1371431417. The reversal of 1371431406 is 6041341731.

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, 70935 + ... + 88173.

It is an arithmetic number, because the mean of its divisors is an integer number (171451800).

Almost surely, 2^1371431406 is an apocalyptic number.

1371431406 is an abundant number, since it is smaller than the sum of its proper divisors (1371797394).

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

1371431406 is a wasteful number, since it uses less digits than its factorization.

1371431406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30503.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1371431406 is about 37032.8422619707. The cubic root of 1371431406 is about 1111.0272140261.

The spelling of 1371431406 in words is "one billion, three hundred seventy-one million, four hundred thirty-one thousand, four hundred six".