133525064506 has 8 divisors (see below), whose sum is σ = 210829049280. Its totient is φ = 63248714748.

The previous prime is 133525064429. The next prime is 133525064527. The reversal of 133525064506 is 605460525331.

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

It is a super-2 number, since 2×133525064506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756908706 + ... + 1756908781.

It is an arithmetic number, because the mean of its divisors is an integer number (26353631160).

Almost surely, 2^133525064506 is an apocalyptic number.

133525064506 is a deficient number, since it is larger than the sum of its proper divisors (77303984774).

133525064506 is a wasteful number, since it uses less digits than its factorization.

133525064506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513817508.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 133525064506 its reverse (605460525331), we get a palindrome (738985589837).

The spelling of 133525064506 in words is "one hundred thirty-three billion, five hundred twenty-five million, sixty-four thousand, five hundred six".