133494201 has 6 divisors (see below), whose sum is σ = 192824970. Its totient is φ = 88996128.

The previous prime is 133494199. The next prime is 133494203. The reversal of 133494201 is 102494331.

It is an interprime number because it is at equal distance from previous prime (133494199) and next prime (133494203).

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 52925625 = 8976^2 + 7275^2 .

It is not a de Polignac number, because 133494201 - 2¹ = 133494199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133494203) 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 5 ways as a sum of consecutive naturals, for example, 7416336 + ... + 7416353.

It is an arithmetic number, because the mean of its divisors is an integer number (32137495).

Almost surely, 2^133494201 is an apocalyptic number.

It is an amenable number.

133494201 is a deficient number, since it is larger than the sum of its proper divisors (59330769).

133494201 is a wasteful number, since it uses less digits than its factorization.

133494201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14832695 (or 14832692 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133494201 is about 11553.9690582933. The cubic root of 133494201 is about 511.0783297063.

The spelling of 133494201 in words is "one hundred thirty-three million, four hundred ninety-four thousand, two hundred one".