151728907 has 8 divisors (see below), whose sum is σ = 172719360. Its totient is φ = 131937960.

The previous prime is 151728887. The next prime is 151728947. The reversal of 151728907 is 709827151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151728907 - 2⁷ = 151728779 is a prime.

It is a super-2 number, since 2×151728907² = 46043322438829298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151728907.

It is not an unprimeable number, because it can be changed into a prime (151728947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299607 + ... + 300112.

It is an arithmetic number, because the mean of its divisors is an integer number (21589920).

Almost surely, 2^151728907 is an apocalyptic number.

151728907 is a deficient number, since it is larger than the sum of its proper divisors (20990453).

151728907 is a wasteful number, since it uses less digits than its factorization.

151728907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599753.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 151728907 is about 12317.8288265424. The cubic root of 151728907 is about 533.3628668107.

The spelling of 151728907 in words is "one hundred fifty-one million, seven hundred twenty-eight thousand, nine hundred seven".