133380290 has 16 divisors (see below), whose sum is σ = 247829760. Its totient is φ = 51630960.

The previous prime is 133380287. The next prime is 133380293. The reversal of 133380290 is 92083331.

It is an interprime number because it is at equal distance from previous prime (133380287) and next prime (133380293).

It is not an unprimeable number, because it can be changed into a prime (133380293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214820 + ... + 215439.

It is an arithmetic number, because the mean of its divisors is an integer number (15489360).

Almost surely, 2^133380290 is an apocalyptic number.

133380290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133380290 is a deficient number, since it is larger than the sum of its proper divisors (114449470).

133380290 is a wasteful number, since it uses less digits than its factorization.

133380290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430297.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 133380290 is about 11549.0384881167. The cubic root of 133380290 is about 510.9329201178.

The spelling of 133380290 in words is "one hundred thirty-three million, three hundred eighty thousand, two hundred ninety".