7028136036 has 36 divisors (see below), whose sum is σ = 18537984192. Its totient is φ = 2240854704.

The previous prime is 7028136007. The next prime is 7028136047. The reversal of 7028136036 is 6306318207.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7028136036² = 98789392281043586592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4243216 + ... + 4244871.

Almost surely, 2^7028136036 is an apocalyptic number.

It is an amenable number.

7028136036 is an abundant number, since it is smaller than the sum of its proper divisors (11509848156).

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

7028136036 is a wasteful number, since it uses less digits than its factorization.

7028136036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488120 (or 8488115 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7028136036 is about 83833.9790061285. The cubic root of 7028136036 is about 1915.4907232246.

The spelling of 7028136036 in words is "seven billion, twenty-eight million, one hundred thirty-six thousand, thirty-six".