900136206 has 32 divisors (see below), whose sum is σ = 2038050720. Its totient is φ = 294383232.

The previous prime is 900136189. The next prime is 900136207. The reversal of 900136206 is 602631009.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 900136206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900136207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154395 + ... + 160118.

It is an arithmetic number, because the mean of its divisors is an integer number (63689085).

Almost surely, 2^900136206 is an apocalyptic number.

900136206 is an abundant number, since it is smaller than the sum of its proper divisors (1137914514).

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

900136206 is a wasteful number, since it uses less digits than its factorization.

900136206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314577 (or 314571 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 900136206 is about 30002.2700141173. The cubic root of 900136206 is about 965.5380878700.

The spelling of 900136206 in words is "nine hundred million, one hundred thirty-six thousand, two hundred six".