133400245 has 8 divisors (see below), whose sum is σ = 174633120. Its totient is φ = 97018320.

The previous prime is 133400243. The next prime is 133400251. The reversal of 133400245 is 542004331.

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

It is not a de Polignac number, because 133400245 - 2¹ = 133400243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133400243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212675 + ... + 1212784.

It is an arithmetic number, because the mean of its divisors is an integer number (21829140).

Almost surely, 2^133400245 is an apocalyptic number.

It is an amenable number.

133400245 is a deficient number, since it is larger than the sum of its proper divisors (41232875).

133400245 is a wasteful number, since it uses less digits than its factorization.

133400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425475.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133400245 is about 11549.9023805398. The cubic root of 133400245 is about 510.9583990398.

Adding to 133400245 its reverse (542004331), we get a palindrome (675404576).

The spelling of 133400245 in words is "one hundred thirty-three million, four hundred thousand, two hundred forty-five".