133164435 has 8 divisors (see below), whose sum is σ = 213063120. Its totient is φ = 71021024.

The previous prime is 133164401. The next prime is 133164439. The reversal of 133164435 is 534461331.

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 133164435 - 2⁶ = 133164371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133164439) 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, 4438800 + ... + 4438829.

It is an arithmetic number, because the mean of its divisors is an integer number (26632890).

Almost surely, 2^133164435 is an apocalyptic number.

133164435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133164435 is a deficient number, since it is larger than the sum of its proper divisors (79898685).

133164435 is an equidigital number, since it uses as much as digits as its factorization.

133164435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877637.

The product of its digits is 12960, while the sum is 30.

The square root of 133164435 is about 11539.6895538832. The cubic root of 133164435 is about 510.6571498040.

The spelling of 133164435 in words is "one hundred thirty-three million, one hundred sixty-four thousand, four hundred thirty-five".