133402045 has 8 divisors (see below), whose sum is σ = 182951424. Its totient is φ = 91475664.

The previous prime is 133402019. The next prime is 133402079. The reversal of 133402045 is 540204331.

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

It is not a de Polignac number, because 133402045 - 2¹¹ = 133399997 is a prime.

It is a super-2 number, since 2×133402045² = 35592211220364050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1905709 + ... + 1905778.

It is an arithmetic number, because the mean of its divisors is an integer number (22868928).

Almost surely, 2^133402045 is an apocalyptic number.

It is an amenable number.

133402045 is a deficient number, since it is larger than the sum of its proper divisors (49549379).

133402045 is an equidigital number, since it uses as much as digits as its factorization.

133402045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811499.

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

The square root of 133402045 is about 11549.9803030135. The cubic root of 133402045 is about 510.9606971889.

Adding to 133402045 its reverse (540204331), we get a palindrome (673606376).

The spelling of 133402045 in words is "one hundred thirty-three million, four hundred two thousand, forty-five".