3135852820 has 12 divisors (see below), whose sum is σ = 6585290964. Its totient is φ = 1254341120.

The previous prime is 3135852817. The next prime is 3135852851. The reversal of 3135852820 is 282585313.

It can be written as a sum of positive squares in 2 ways, for example, as 968205456 + 2167647364 = 31116^2 + 46558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3135852820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78396301 + ... + 78396340.

It is an arithmetic number, because the mean of its divisors is an integer number (548774247).

Almost surely, 2^3135852820 is an apocalyptic number.

It is an amenable number.

3135852820 is an abundant number, since it is smaller than the sum of its proper divisors (3449438144).

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

3135852820 is a wasteful number, since it uses less digits than its factorization.

3135852820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156792650 (or 156792648 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 3135852820 is about 55998.6858774382. The cubic root of 3135852820 is about 1463.6993849854.

The spelling of 3135852820 in words is "three billion, one hundred thirty-five million, eight hundred fifty-two thousand, eight hundred twenty".