156535128 has 48 divisors (see below), whose sum is σ = 427026600. Its totient is φ = 51799680.

The previous prime is 156535081. The next prime is 156535139. The reversal of 156535128 is 821535651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 156535092 and 156535101.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2188 + ... + 17828.

Almost surely, 2^156535128 is an apocalyptic number.

156535128 is a gapful number since it is divisible by the number (18) 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 156535128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213513300).

156535128 is an abundant number, since it is smaller than the sum of its proper divisors (270491472).

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

156535128 is a wasteful number, since it uses less digits than its factorization.

156535128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792 (or 15785 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 156535128 is about 12511.3999216714. The cubic root of 156535128 is about 538.9360945756.

The spelling of 156535128 in words is "one hundred fifty-six million, five hundred thirty-five thousand, one hundred twenty-eight".