133154005 has 4 divisors (see below), whose sum is σ = 159784812. Its totient is φ = 106523200.

The previous prime is 133153987. The next prime is 133154011. The reversal of 133154005 is 500451331.

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: 500451331 = 1759 ⋅284509.

It can be written as a sum of positive squares in 2 ways, for example, as 49815364 + 83338641 = 7058^2 + 9129^2 .

It is not a de Polignac number, because 133154005 - 2²⁵ = 99599573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13315396 + ... + 13315405.

It is an arithmetic number, because the mean of its divisors is an integer number (39946203).

Almost surely, 2^133154005 is an apocalyptic number.

It is an amenable number.

133154005 is a deficient number, since it is larger than the sum of its proper divisors (26630807).

133154005 is an equidigital number, since it uses as much as digits as its factorization.

133154005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26630806.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133154005 is about 11539.2376264639. The cubic root of 133154005 is about 510.6438171822.

The spelling of 133154005 in words is "one hundred thirty-three million, one hundred fifty-four thousand, five".