102036640209 has 8 divisors (see below), whose sum is σ = 155484404160. Its totient is φ = 58306651536.

The previous prime is 102036640171. The next prime is 102036640241. The reversal of 102036640209 is 902046630201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102036640209 - 2¹² = 102036636113 is a prime.

It is a super-2 number, since 2×102036640209² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102036640209.

It is not an unprimeable number, because it can be changed into a prime (102036640259) 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, 2429443794 + ... + 2429443835.

It is an arithmetic number, because the mean of its divisors is an integer number (19435550520).

Almost surely, 2^102036640209 is an apocalyptic number.

It is an amenable number.

102036640209 is a deficient number, since it is larger than the sum of its proper divisors (53447763951).

102036640209 is an equidigital number, since it uses as much as digits as its factorization.

102036640209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858887639.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 102036640209 in words is "one hundred two billion, thirty-six million, six hundred forty thousand, two hundred nine".