133113555630 has 168 divisors, whose sum is σ = 394872210936. Its totient is φ = 32269739040.

The previous prime is 133113555623. The next prime is 133113555637. The reversal of 133113555630 is 36555311331.

133113555630 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 13 + 5 + 5 + 5 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (133113555623) and next prime (133113555637).

It is a super-2 number, since 2×133113555630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113555637) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 806637 + ... + 957543.

It is an arithmetic number, because the mean of its divisors is an integer number (2350429827).

Almost surely, 2^133113555630 is an apocalyptic number.

133113555630 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 133113555630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197436105468).

133113555630 is an abundant number, since it is smaller than the sum of its proper divisors (261758655306).

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

133113555630 is a wasteful number, since it uses less digits than its factorization.

133113555630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150954 (or 150928 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

Adding to 133113555630 its reverse (36555311331), we get a palindrome (169668866961).

The spelling of 133113555630 in words is "one hundred thirty-three billion, one hundred thirteen million, five hundred fifty-five thousand, six hundred thirty".