133523361450 has 72 divisors (see below), whose sum is σ = 359010920268. Its totient is φ = 35578621440.

The previous prime is 133523361449. The next prime is 133523361451. The reversal of 133523361450 is 54163325331.

133523361450 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 2 + 33 + 614 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (133523361449) and next prime (133523361451).

It can be written as a sum of positive squares in 6 ways, for example, as 127978623081 + 5544738369 = 357741^2 + 74463^2 .

It is a super-2 number, since 2×133523361450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133523361451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 469264 + ... + 698036.

Almost surely, 2^133523361450 is an apocalyptic number.

133523361450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133523361450 is an abundant number, since it is smaller than the sum of its proper divisors (225487558818).

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

133523361450 is a wasteful number, since it uses less digits than its factorization.

133523361450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230088 (or 230080 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 133523361450 its reverse (54163325331), we get a palindrome (187686686781).

The spelling of 133523361450 in words is "one hundred thirty-three billion, five hundred twenty-three million, three hundred sixty-one thousand, four hundred fifty".