1379547906 has 16 divisors (see below), whose sum is σ = 3009922848. Its totient is φ = 418044800.

The previous prime is 1379547859. The next prime is 1379547919. The reversal of 1379547906 is 6097459731.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10451055 + ... + 10451186.

It is an arithmetic number, because the mean of its divisors is an integer number (188120178).

Almost surely, 2^1379547906 is an apocalyptic number.

1379547906 is an abundant number, since it is smaller than the sum of its proper divisors (1630374942).

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

1379547906 is a wasteful number, since it uses less digits than its factorization.

1379547906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902257.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 1379547906 is about 37142.2657628745. The cubic root of 1379547906 is about 1113.2146903066.

The spelling of 1379547906 in words is "one billion, three hundred seventy-nine million, five hundred forty-seven thousand, nine hundred six".