133024340 has 12 divisors (see below), whose sum is σ = 279351156. Its totient is φ = 53209728.

The previous prime is 133024319. The next prime is 133024357. The reversal of 133024340 is 43420331.

It can be written as a sum of positive squares in 2 ways, for example, as 75446596 + 57577744 = 8686^2 + 7588^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6651217 = 133024340 / (1 + 3 + 3 + 0 + 2 + 4 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325589 + ... + 3325628.

It is an arithmetic number, because the mean of its divisors is an integer number (23279263).

Almost surely, 2^133024340 is an apocalyptic number.

133024340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133024340 is an abundant number, since it is smaller than the sum of its proper divisors (146326816).

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

133024340 is a wasteful number, since it uses less digits than its factorization.

133024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651226 (or 6651224 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133024340 is about 11533.6178192274. The cubic root of 133024340 is about 510.4780088393.

Adding to 133024340 its reverse (43420331), we get a palindrome (176444671).

The spelling of 133024340 in words is "one hundred thirty-three million, twenty-four thousand, three hundred forty".