133402101 has 16 divisors (see below), whose sum is σ = 203485824. Its totient is φ = 76152384.

The previous prime is 133402099. The next prime is 133402141. The reversal of 133402101 is 101204331.

It is not a de Polignac number, because 133402101 - 2¹ = 133402099 is a prime.

It is a super-2 number, since 2×133402101² = 35592241102428402, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133402141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (12717864).

Almost surely, 2^133402101 is an apocalyptic number.

It is an amenable number.

133402101 is a deficient number, since it is larger than the sum of its proper divisors (70083723).

133402101 is a wasteful number, since it uses less digits than its factorization.

133402101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 133402101 is about 11549.9827272598. The cubic root of 133402101 is about 510.9607686866.

Adding to 133402101 its reverse (101204331), we get a palindrome (234606432).

The spelling of 133402101 in words is "one hundred thirty-three million, four hundred two thousand, one hundred one".