133734811 has 16 divisors (see below), whose sum is σ = 160570368. Its totient is φ = 108900000.

The previous prime is 133734793. The next prime is 133734823. The reversal of 133734811 is 118437331.

It is a 5-Lehmer number, since φ(133734811) divides (133734811-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 133734811 - 2⁵ = 133734779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133734851) 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, 21561 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (10035648).

Almost surely, 2^133734811 is an apocalyptic number.

133734811 is a deficient number, since it is larger than the sum of its proper divisors (26835557).

133734811 is a wasteful number, since it uses less digits than its factorization.

133734811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its digits is 6048, while the sum is 31.

The square root of 133734811 is about 11564.3768098415. The cubic root of 133734811 is about 511.3852013386.

The spelling of 133734811 in words is "one hundred thirty-three million, seven hundred thirty-four thousand, eight hundred eleven".