133643051 has 8 divisors (see below), whose sum is σ = 136385424. Its totient is φ = 130908960.

The previous prime is 133643039. The next prime is 133643057. The reversal of 133643051 is 150346331.

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

It is a cyclic number.

It is not a de Polignac number, because 133643051 - 2⁶ = 133642987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133643051.

It is not an unprimeable number, because it can be changed into a prime (133643057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38456 + ... + 41786.

It is an arithmetic number, because the mean of its divisors is an integer number (17048178).

Almost surely, 2^133643051 is an apocalyptic number.

133643051 is a deficient number, since it is larger than the sum of its proper divisors (2742373).

133643051 is an equidigital number, since it uses as much as digits as its factorization.

133643051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 133643051 is about 11560.4087730495. The cubic root of 133643051 is about 511.2682149882.

Adding to 133643051 its reverse (150346331), we get a palindrome (283989382).

The spelling of 133643051 in words is "one hundred thirty-three million, six hundred forty-three thousand, fifty-one".