133103340 has 36 divisors (see below), whose sum is σ = 403747344. Its totient is φ = 35494176.

The previous prime is 133103317. The next prime is 133103363. The reversal of 133103340 is 43301331.

133103340 is a `hidden beast` number, since 1 + 331 + 0 + 334 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (133103317) and next prime (133103363).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369552 + ... + 369911.

It is an arithmetic number, because the mean of its divisors is an integer number (11215204).

Almost surely, 2^133103340 is an apocalyptic number.

133103340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133103340 is an abundant number, since it is smaller than the sum of its proper divisors (270644004).

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

133103340 is a wasteful number, since it uses less digits than its factorization.

133103340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739478 (or 739473 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133103340 is about 11537.0420819203. The cubic root of 133103340 is about 510.5790424349.

Adding to 133103340 its reverse (43301331), we get a palindrome (176404671).

The spelling of 133103340 in words is "one hundred thirty-three million, one hundred three thousand, three hundred forty".