159209253238 has 64 divisors (see below), whose sum is σ = 284438044800. Its totient is φ = 65415398400.

The previous prime is 159209253211. The next prime is 159209253347. The reversal of 159209253238 is 832352902951.

159209253238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159209253238² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 159209253191 and 159209253200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68241120 + ... + 68243452.

It is an arithmetic number, because the mean of its divisors is an integer number (4444344450).

Almost surely, 2^159209253238 is an apocalyptic number.

159209253238 is a deficient number, since it is larger than the sum of its proper divisors (125228791562).

159209253238 is a wasteful number, since it uses less digits than its factorization.

159209253238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 159209253238 in words is "one hundred fifty-nine billion, two hundred nine million, two hundred fifty-three thousand, two hundred thirty-eight".