133041916 has 24 divisors (see below), whose sum is σ = 269732960. Its totient is φ = 56236032.

The previous prime is 133041893. The next prime is 133041977. The reversal of 133041916 is 619140331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 30501 + ... + 34588.

Almost surely, 2^133041916 is an apocalyptic number.

It is an amenable number.

133041916 is an abundant number, since it is smaller than the sum of its proper divisors (136691044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133041916 is a wasteful number, since it uses less digits than its factorization.

133041916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65173 (or 65171 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 133041916 is about 11534.3797405842. The cubic root of 133041916 is about 510.5004903550.

The spelling of 133041916 in words is "one hundred thirty-three million, forty-one thousand, nine hundred sixteen".