133669151 has 16 divisors (see below), whose sum is σ = 167976960. Its totient is φ = 103330080.

The previous prime is 133669111. The next prime is 133669153. The reversal of 133669151 is 151966331.

It is not a de Polignac number, because 133669151 - 2²² = 129474847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133669153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2945 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (10498560).

Almost surely, 2^133669151 is an apocalyptic number.

133669151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133669151 is a deficient number, since it is larger than the sum of its proper divisors (34307809).

133669151 is a wasteful number, since it uses less digits than its factorization.

133669151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814.

The product of its digits is 14580, while the sum is 35.

The square root of 133669151 is about 11561.5375707559. The cubic root of 133669151 is about 511.3014957604.

The spelling of 133669151 in words is "one hundred thirty-three million, six hundred sixty-nine thousand, one hundred fifty-one".