133736801 has 16 divisors (see below), whose sum is σ = 153964800. Its totient is φ = 114886800.

The previous prime is 133736791. The next prime is 133736843. The reversal of 133736801 is 108637331.

It is a cyclic number.

It is not a de Polignac number, because 133736801 - 2¹⁸ = 133474657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133706801) 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, 137246 + ... + 138216.

It is an arithmetic number, because the mean of its divisors is an integer number (9622800).

Almost surely, 2^133736801 is an apocalyptic number.

133736801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133736801 is a deficient number, since it is larger than the sum of its proper divisors (20227999).

133736801 is a wasteful number, since it uses less digits than its factorization.

133736801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 133736801 is about 11564.4628496096. The cubic root of 133736801 is about 511.3877378298.

The spelling of 133736801 in words is "one hundred thirty-three million, seven hundred thirty-six thousand, eight hundred one".