159538780 has 12 divisors (see below), whose sum is σ = 335031480. Its totient is φ = 63815504.

The previous prime is 159538759. The next prime is 159538781. The reversal of 159538780 is 87835951.

It is a self number, because there is not a number n which added to its sum of digits gives 159538780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159538781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3988450 + ... + 3988489.

It is an arithmetic number, because the mean of its divisors is an integer number (27919290).

Almost surely, 2^159538780 is an apocalyptic number.

159538780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159538780 is an abundant number, since it is smaller than the sum of its proper divisors (175492700).

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

159538780 is a wasteful number, since it uses less digits than its factorization.

159538780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976948 (or 7976946 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 159538780 is about 12630.8661619067. The cubic root of 159538780 is about 542.3613780753.

The spelling of 159538780 in words is "one hundred fifty-nine million, five hundred thirty-eight thousand, seven hundred eighty".