133315948 has 12 divisors (see below), whose sum is σ = 235924920. Its totient is φ = 65908832.

The previous prime is 133315909. The next prime is 133315957. The reversal of 133315948 is 849513331.

It is a super-2 number, since 2×133315948² = 35546283982277408, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 186886 + ... + 187597.

It is an arithmetic number, because the mean of its divisors is an integer number (19660410).

Almost surely, 2^133315948 is an apocalyptic number.

It is an amenable number.

133315948 is a deficient number, since it is larger than the sum of its proper divisors (102608972).

133315948 is a wasteful number, since it uses less digits than its factorization.

133315948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374576 (or 374574 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 133315948 is about 11546.2525522353. The cubic root of 133315948 is about 510.8507497224.

The spelling of 133315948 in words is "one hundred thirty-three million, three hundred fifteen thousand, nine hundred forty-eight".