1613135028 has 24 divisors (see below), whose sum is σ = 3865712032. Its totient is φ = 523178784.

The previous prime is 1613135023. The next prime is 1613135039. The reversal of 1613135028 is 8205313161.

It is a junction number, because it is equal to n+sod(n) for n = 1613134986 and 1613135004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613135021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816150 + ... + 1817037.

Almost surely, 2^1613135028 is an apocalyptic number.

It is an amenable number.

1613135028 is an abundant number, since it is smaller than the sum of its proper divisors (2252577004).

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

1613135028 is a wasteful number, since it uses less digits than its factorization.

1613135028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633231 (or 3633229 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1613135028 is about 40163.8522554797. The cubic root of 1613135028 is about 1172.7989646236.

Adding to 1613135028 its reverse (8205313161), we get a palindrome (9818448189).

The spelling of 1613135028 in words is "one billion, six hundred thirteen million, one hundred thirty-five thousand, twenty-eight".