158135328 has 270 divisors, whose sum is σ = 531498429. Its totient is φ = 46096128.

The previous prime is 158135297. The next prime is 158135333. The reversal of 158135328 is 823531851.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

158135328 is a `hidden beast` number, since 1 + 581 + 3 + 53 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135210384 + 22924944 = 11628^2 + 4788^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8892.

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 = 158135292 and 158135301.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8322903 + ... + 8322921.

Almost surely, 2^158135328 is an apocalyptic number.

158135328 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 158135328

158135328 is an abundant number, since it is smaller than the sum of its proper divisors (373363101).

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

158135328 is a wasteful number, since it uses less digits than its factorization.

158135328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 37 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 158135328 is about 12575.1869966216. The cubic root of 158135328 is about 540.7663194015.

Multiplying 158135328 by its product of digits (28800), we get a square (4554297446400 = 2134080²).

The spelling of 158135328 in words is "one hundred fifty-eight million, one hundred thirty-five thousand, three hundred twenty-eight".