133154330 has 16 divisors (see below), whose sum is σ = 240529824. Its totient is φ = 53072400.

The previous prime is 133154321. The next prime is 133154363. The reversal of 133154330 is 33451331.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133154296 and 133154305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20696 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (15033114).

Almost surely, 2^133154330 is an apocalyptic number.

133154330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133154330 is a deficient number, since it is larger than the sum of its proper divisors (107375494).

133154330 is a wasteful number, since it uses less digits than its factorization.

133154330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47341.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 133154330 is about 11539.2517088414. The cubic root of 133154330 is about 510.6442326387.

The spelling of 133154330 in words is "one hundred thirty-three million, one hundred fifty-four thousand, three hundred thirty".