133261948 has 6 divisors (see below), whose sum is σ = 233208416. Its totient is φ = 66630972.

The previous prime is 133261937. The next prime is 133261979. The reversal of 133261948 is 849162331.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 16657740 + ... + 16657747.

Almost surely, 2^133261948 is an apocalyptic number.

It is an amenable number.

133261948 is a deficient number, since it is larger than the sum of its proper divisors (99946468).

133261948 is a wasteful number, since it uses less digits than its factorization.

133261948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33315491 (or 33315489 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 133261948 is about 11543.9138943428. The cubic root of 133261948 is about 510.7817665629.

The spelling of 133261948 in words is "one hundred thirty-three million, two hundred sixty-one thousand, nine hundred forty-eight".