156128336 has 80 divisors (see below), whose sum is σ = 375225984. Its totient is φ = 61281792.

The previous prime is 156128333. The next prime is 156128363. The reversal of 156128336 is 633821651.

It is a junction number, because it is equal to n+sod(n) for n = 156128296 and 156128305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156128333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228251 + ... + 228933.

Almost surely, 2^156128336 is an apocalyptic number.

156128336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156128336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187612992).

156128336 is an abundant number, since it is smaller than the sum of its proper divisors (219097648).

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

156128336 is a wasteful number, since it uses less digits than its factorization.

156128336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 156128336 is about 12495.1324922947. The cubic root of 156128336 is about 538.4688403991.

Adding to 156128336 its reverse (633821651), we get a palindrome (789949987).

The spelling of 156128336 in words is "one hundred fifty-six million, one hundred twenty-eight thousand, three hundred thirty-six".