1615135852 has 12 divisors (see below), whose sum is σ = 3083441256. Its totient is φ = 734152640.

The previous prime is 1615135843. The next prime is 1615135853. The reversal of 1615135852 is 2585315161.

It is not an unprimeable number, because it can be changed into a prime (1615135853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18353773 + ... + 18353860.

It is an arithmetic number, because the mean of its divisors is an integer number (256953438).

Almost surely, 2^1615135852 is an apocalyptic number.

It is an amenable number.

1615135852 is a deficient number, since it is larger than the sum of its proper divisors (1468305404).

1615135852 is a wasteful number, since it uses less digits than its factorization.

1615135852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36707648 (or 36707646 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 1615135852 is about 40188.7528047338. The cubic root of 1615135852 is about 1173.2836512265.

It can be divided in two parts, 16151 and 35852, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 1615135852 in words is "one billion, six hundred fifteen million, one hundred thirty-five thousand, eight hundred fifty-two".