1539106734 has 64 divisors (see below), whose sum is σ = 3487587840. Its totient is φ = 448533120.

The previous prime is 1539106717. The next prime is 1539106741. The reversal of 1539106734 is 4376019351.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1539106692 and 1539106701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528727 + ... + 531629.

It is an arithmetic number, because the mean of its divisors is an integer number (54493560).

Almost surely, 2^1539106734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1539106734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743793920).

1539106734 is an abundant number, since it is smaller than the sum of its proper divisors (1948481106).

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

1539106734 is a wasteful number, since it uses less digits than its factorization.

1539106734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1539106734 is about 39231.4508271106. The cubic root of 1539106734 is about 1154.5770292092.

The spelling of 1539106734 in words is "one billion, five hundred thirty-nine million, one hundred six thousand, seven hundred thirty-four".