133340430 has 32 divisors (see below), whose sum is σ = 333932544. Its totient is φ = 34011296.

The previous prime is 133340429. The next prime is 133340437. The reversal of 133340430 is 34043331.

It is a super-3 number, since 3×133340430³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133340397 and 133340406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340437) 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, 95934 + ... + 97313.

It is an arithmetic number, because the mean of its divisors is an integer number (10435392).

Almost surely, 2^133340430 is an apocalyptic number.

133340430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133340430 is an abundant number, since it is smaller than the sum of its proper divisors (200592114).

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

133340430 is a wasteful number, since it uses less digits than its factorization.

133340430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193280.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133340430 is about 11547.3126743845. The cubic root of 133340430 is about 510.8820185059.

Adding to 133340430 its reverse (34043331), we get a palindrome (167383761).

The spelling of 133340430 in words is "one hundred thirty-three million, three hundred forty thousand, four hundred thirty".