153209706 has 32 divisors (see below), whose sum is σ = 332118528. Its totient is φ = 46837440.

The previous prime is 153209671. The next prime is 153209717. The reversal of 153209706 is 607902351.

153209706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5991 + ... + 18501.

It is an arithmetic number, because the mean of its divisors is an integer number (10378704).

Almost surely, 2^153209706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153209706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166059264).

153209706 is an abundant number, since it is smaller than the sum of its proper divisors (178908822).

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

153209706 is a wasteful number, since it uses less digits than its factorization.

153209706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 153209706 is about 12377.7908368174. The cubic root of 153209706 is about 535.0923717407.

The spelling of 153209706 in words is "one hundred fifty-three million, two hundred nine thousand, seven hundred six".