133078948 has 12 divisors (see below), whose sum is σ = 238568652. Its totient is φ = 64916480.

The previous prime is 133078909. The next prime is 133078961. The reversal of 133078948 is 849870331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21734244 + 111344704 = 4662^2 + 10552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405565 + ... + 405892.

It is an arithmetic number, because the mean of its divisors is an integer number (19880721).

Almost surely, 2^133078948 is an apocalyptic number.

It is an amenable number.

133078948 is a deficient number, since it is larger than the sum of its proper divisors (105489704).

133078948 is a wasteful number, since it uses less digits than its factorization.

133078948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811502 (or 811500 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 133078948 is about 11535.9849167724. The cubic root of 133078948 is about 510.5478516202.

The spelling of 133078948 in words is "one hundred thirty-three million, seventy-eight thousand, nine hundred forty-eight".