133426410 has 64 divisors (see below), whose sum is σ = 348509952. Its totient is φ = 32495616.

The previous prime is 133426409. The next prime is 133426411. The reversal of 133426410 is 14624331.

It is an interprime number because it is at equal distance from previous prime (133426409) and next prime (133426411).

It is not an unprimeable number, because it can be changed into a prime (133426411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36067 + ... + 39593.

It is an arithmetic number, because the mean of its divisors is an integer number (5445468).

Almost surely, 2^133426410 is an apocalyptic number.

133426410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133426410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174254976).

133426410 is an abundant number, since it is smaller than the sum of its proper divisors (215083542).

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

133426410 is a wasteful number, since it uses less digits than its factorization.

133426410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 133426410 is about 11551.0350185600. The cubic root of 133426410 is about 510.9918031577.

The spelling of 133426410 in words is "one hundred thirty-three million, four hundred twenty-six thousand, four hundred ten".