133150530465 has 48 divisors (see below), whose sum is σ = 244494373968. Its totient is φ = 66802434048.

The previous prime is 133150530439. The next prime is 133150530473. The reversal of 133150530465 is 564035051331.

133150530465 is a `hidden beast` number, since 1 + 3 + 31 + 50 + 530 + 46 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 834285456 + 132316245009 = 28884^2 + 363753^2 .

It is not a de Polignac number, because 133150530465 - 2⁸ = 133150530209 is a prime.

It is a super-2 number, since 2×133150530465² (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 47 ways as a sum of consecutive naturals, for example, 1499859 + ... + 1586151.

It is an arithmetic number, because the mean of its divisors is an integer number (5093632791).

Almost surely, 2^133150530465 is an apocalyptic number.

133150530465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133150530465 is a deficient number, since it is larger than the sum of its proper divisors (111343843503).

133150530465 is a wasteful number, since it uses less digits than its factorization.

133150530465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88338 (or 88335 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 133150530465 its reverse (564035051331), we get a palindrome (697185581796).

The spelling of 133150530465 in words is "one hundred thirty-three billion, one hundred fifty million, five hundred thirty thousand, four hundred sixty-five".