151328538 has 12 divisors (see below), whose sum is σ = 327878538. Its totient is φ = 50442840.

The previous prime is 151328531. The next prime is 151328549. The reversal of 151328538 is 835823151.

151328538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 98664489 + 52664049 = 9933^2 + 7257^2 .

It is not an unprimeable number, because it can be changed into a prime (151328531) 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 5 ways as a sum of consecutive naturals, for example, 4203553 + ... + 4203588.

Almost surely, 2^151328538 is an apocalyptic number.

151328538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

151328538 is an abundant number, since it is smaller than the sum of its proper divisors (176550000).

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

151328538 is a wasteful number, since it uses less digits than its factorization.

151328538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407149 (or 8407146 counting only the distinct ones).

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

The square root of 151328538 is about 12301.5664856147. The cubic root of 151328538 is about 532.8933231073.

The spelling of 151328538 in words is "one hundred fifty-one million, three hundred twenty-eight thousand, five hundred thirty-eight".