133057770 has 16 divisors (see below), whose sum is σ = 319338720. Its totient is φ = 35482064.

The previous prime is 133057747. The next prime is 133057777. The reversal of 133057770 is 77750331.

It is not an unprimeable number, because it can be changed into a prime (133057777) by changing a digit.

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, 2217600 + ... + 2217659.

It is an arithmetic number, because the mean of its divisors is an integer number (19958670).

Almost surely, 2^133057770 is an apocalyptic number.

133057770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133057770 is an abundant number, since it is smaller than the sum of its proper divisors (186280950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133057770 is a wasteful number, since it uses less digits than its factorization.

133057770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435269.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 133057770 is about 11535.0669698966. The cubic root of 133057770 is about 510.5207675567.

The spelling of 133057770 in words is "one hundred thirty-three million, fifty-seven thousand, seven hundred seventy".