133361970 has 32 divisors (see below), whose sum is σ = 365793408. Its totient is φ = 30482688.

The previous prime is 133361947. The next prime is 133361989. The reversal of 133361970 is 79163331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317319 + ... + 317738.

It is an arithmetic number, because the mean of its divisors is an integer number (11431044).

Almost surely, 2^133361970 is an apocalyptic number.

133361970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133361970 is an abundant number, since it is smaller than the sum of its proper divisors (232431438).

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

133361970 is a wasteful number, since it uses less digits than its factorization.

133361970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635074.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 133361970 is about 11548.2453212598. The cubic root of 133361970 is about 510.9095265572.

The spelling of 133361970 in words is "one hundred thirty-three million, three hundred sixty-one thousand, nine hundred seventy".