133313454 has 48 divisors (see below), whose sum is σ = 300104064. Its totient is φ = 42724800.

The previous prime is 133313447. The next prime is 133313461. The reversal of 133313454 is 454313331.

It is an interprime number because it is at equal distance from previous prime (133313447) and next prime (133313461).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 95844 + ... + 97224.

It is an arithmetic number, because the mean of its divisors is an integer number (6252168).

Almost surely, 2^133313454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133313454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150052032).

133313454 is an abundant number, since it is smaller than the sum of its proper divisors (166790610).

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

133313454 is a wasteful number, since it uses less digits than its factorization.

133313454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1590 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 133313454 is about 11546.1445513210. The cubic root of 133313454 is about 510.8475641327.

Adding to 133313454 its reverse (454313331), we get a palindrome (587626785).

The spelling of 133313454 in words is "one hundred thirty-three million, three hundred thirteen thousand, four hundred fifty-four".