133573390 has 8 divisors (see below), whose sum is σ = 240432120. Its totient is φ = 53429352.

The previous prime is 133573381. The next prime is 133573399. The reversal of 133573390 is 93375331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133573381) and next prime (133573399).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133573399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6678660 + ... + 6678679.

It is an arithmetic number, because the mean of its divisors is an integer number (30054015).

Almost surely, 2^133573390 is an apocalyptic number.

133573390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133573390 is a deficient number, since it is larger than the sum of its proper divisors (106858730).

133573390 is a wasteful number, since it uses less digits than its factorization.

133573390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357346.

The product of its (nonzero) digits is 25515, while the sum is 34.

The square root of 133573390 is about 11557.3954678379. The cubic root of 133573390 is about 511.1793672584.

The spelling of 133573390 in words is "one hundred thirty-three million, five hundred seventy-three thousand, three hundred ninety".