64115133 has 8 divisors (see below), whose sum is σ = 85533600. Its totient is φ = 42720048.

The previous prime is 64115119. The next prime is 64115153. The reversal of 64115133 is 33151146.

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

It is not a de Polignac number, because 64115133 - 2⁶ = 64115069 is a prime.

It is a super-2 number, since 2×64115133² = 8221500559215378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64115153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (10691700).

Almost surely, 2^64115133 is an apocalyptic number.

It is an amenable number.

64115133 is a deficient number, since it is larger than the sum of its proper divisors (21418467).

64115133 is a wasteful number, since it uses less digits than its factorization.

64115133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691.

The product of its digits is 1080, while the sum is 24.

The square root of 64115133 is about 8007.1925791753. The cubic root of 64115133 is about 400.2397167277.

Adding to 64115133 its reverse (33151146), we get a palindrome (97266279).

The spelling of 64115133 in words is "sixty-four million, one hundred fifteen thousand, one hundred thirty-three".