133646970 has 32 divisors (see below), whose sum is σ = 321201792. Its totient is φ = 35589312.

The previous prime is 133646957. The next prime is 133646987. The reversal of 133646970 is 79646331.

133646970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 21984 + ... + 27396.

It is an arithmetic number, because the mean of its divisors is an integer number (10037556).

Almost surely, 2^133646970 is an apocalyptic number.

133646970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133646970 is an abundant number, since it is smaller than the sum of its proper divisors (187554822).

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

133646970 is a wasteful number, since it uses less digits than its factorization.

133646970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 133646970 is about 11560.5782727336. The cubic root of 133646970 is about 511.2732124810.

The spelling of 133646970 in words is "one hundred thirty-three million, six hundred forty-six thousand, nine hundred seventy".