133143102 has 56 divisors (see below), whose sum is σ = 305261784. Its totient is φ = 43518384.

The previous prime is 133143091. The next prime is 133143103. The reversal of 133143102 is 201341331.

It is a super-2 number, since 2×133143102² = 35454171220364808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143103) 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 27 ways as a sum of consecutive naturals, for example, 76413 + ... + 78135.

Almost surely, 2^133143102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133143102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152630892).

133143102 is an abundant number, since it is smaller than the sum of its proper divisors (172118682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133143102 is an equidigital number, since it uses as much as digits as its factorization.

133143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1781 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133143102 is about 11538.7651852354. The cubic root of 133143102 is about 510.6298791823.

Adding to 133143102 its reverse (201341331), we get a palindrome (334484433).

The spelling of 133143102 in words is "one hundred thirty-three million, one hundred forty-three thousand, one hundred two".