• 133402² = 17796093604 is an anagram of the next square 133403² = 17796360409.

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133402 has 4 divisors (see below), whose sum is σ = 200106. Its totient is φ = 66700.

The previous prime is 133391. The next prime is 133403. The reversal of 133402 is 204331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 10201 = 351^2 + 101^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (133403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33349 + ... + 33352.

2¹³³⁴⁰² is an apocalyptic number.

133402 is a deficient number, since it is larger than the sum of its proper divisors (66704).

133402 is an equidigital number, since it uses as much as digits as its factorization.

133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 133402 is about 365.2423852731. The cubic root of 133402 is about 51.0960639735.

Adding to 133402 its reverse (204331), we get a palindrome (337733).

It can be divided in two parts, 133 and 402, that added together give a palindrome (535).

The spelling of 133402 in words is "one hundred thirty-three thousand, four hundred two".