133161051 has 8 divisors (see below), whose sum is σ = 187992144. Its totient is φ = 83552000.

The previous prime is 133161047. The next prime is 133161073. The reversal of 133161051 is 150161331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133161051 - 2² = 133161047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133161031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305450 + ... + 1305551.

It is an arithmetic number, because the mean of its divisors is an integer number (23499018).

Almost surely, 2^133161051 is an apocalyptic number.

133161051 is a deficient number, since it is larger than the sum of its proper divisors (54831093).

133161051 is a wasteful number, since it uses less digits than its factorization.

133161051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611021.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 133161051 is about 11539.5429285566. The cubic root of 133161051 is about 510.6528241284.

The spelling of 133161051 in words is "one hundred thirty-three million, one hundred sixty-one thousand, fifty-one".