133775716 has 6 divisors (see below), whose sum is σ = 234107510. Its totient is φ = 66887856.

The previous prime is 133775701. The next prime is 133775731. The reversal of 133775716 is 617577331.

It is an interprime number because it is at equal distance from previous prime (133775701) and next prime (133775731).

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 50126400 = 9146^2 + 7080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16721961 + ... + 16721968.

Almost surely, 2^133775716 is an apocalyptic number.

It is an amenable number.

133775716 is a deficient number, since it is larger than the sum of its proper divisors (100331794).

133775716 is a wasteful number, since it uses less digits than its factorization.

133775716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33443933 (or 33443931 counting only the distinct ones).

The product of its digits is 92610, while the sum is 40.

The square root of 133775716 is about 11566.1452524166. The cubic root of 133775716 is about 511.4373345594.

The spelling of 133775716 in words is "one hundred thirty-three million, seven hundred seventy-five thousand, seven hundred sixteen".