153928133 has 4 divisors (see below), whose sum is σ = 153960300. Its totient is φ = 153895968.

The previous prime is 153928129. The next prime is 153928157. The reversal of 153928133 is 331829351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331829351 = 7 ⋅47404193.

It can be written as a sum of positive squares in 2 ways, for example, as 75463969 + 78464164 = 8687^2 + 8858^2 .

It is a cyclic number.

It is not a de Polignac number, because 153928133 - 2² = 153928129 is a prime.

It is a deceptive number, since it divides R_153928132.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 153928093 and 153928102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153928123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7310 + ... + 19007.

It is an arithmetic number, because the mean of its divisors is an integer number (38490075).

It is a Poulet number, since it divides 2^153928132-1.

Almost surely, 2^153928133 is an apocalyptic number.

It is an amenable number.

153928133 is a deficient number, since it is larger than the sum of its proper divisors (32167).

153928133 is an equidigital number, since it uses as much as digits as its factorization.

153928133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32166.

The product of its digits is 19440, while the sum is 35.

The square root of 153928133 is about 12406.7777041422. Note that the first 4 decimals coincide. The cubic root of 153928133 is about 535.9274482720.

The spelling of 153928133 in words is "one hundred fifty-three million, nine hundred twenty-eight thousand, one hundred thirty-three".