133455146 has 16 divisors (see below), whose sum is σ = 218989440. Its totient is φ = 60492480.

The previous prime is 133455139. The next prime is 133455163. The reversal of 133455146 is 641554331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 16338.

It is an arithmetic number, because the mean of its divisors is an integer number (13686840).

Almost surely, 2^133455146 is an apocalyptic number.

133455146 is a deficient number, since it is larger than the sum of its proper divisors (85534294).

133455146 is a wasteful number, since it uses less digits than its factorization.

133455146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its digits is 21600, while the sum is 32.

The square root of 133455146 is about 11552.2788228124. The cubic root of 133455146 is about 511.0284845674.

The spelling of 133455146 in words is "one hundred thirty-three million, four hundred fifty-five thousand, one hundred forty-six".