133071772 has 6 divisors (see below), whose sum is σ = 232875608. Its totient is φ = 66535884.

The previous prime is 133071769. The next prime is 133071781. The reversal of 133071772 is 277170331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16633968 + ... + 16633975.

Almost surely, 2^133071772 is an apocalyptic number.

It is an amenable number.

133071772 is a deficient number, since it is larger than the sum of its proper divisors (99803836).

133071772 is a wasteful number, since it uses less digits than its factorization.

133071772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33267947 (or 33267945 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 133071772 is about 11535.6738858205. The cubic root of 133071772 is about 510.5386747186.

The spelling of 133071772 in words is "one hundred thirty-three million, seventy-one thousand, seven hundred seventy-two".