133551247752 has 48 divisors (see below), whose sum is σ = 389524475340. Its totient is φ = 41092691328.

The previous prime is 133551247561. The next prime is 133551247763. The reversal of 133551247752 is 257742155331.

133551247752 is a `hidden beast` number, since 1 + 3 + 3 + 551 + 2 + 47 + 7 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121308710436 + 12242537316 = 348294^2 + 110646^2 .

It is a super-2 number, since 2×133551247752² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133551247698 and 133551247707.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71340543 + ... + 71342414.

Almost surely, 2^133551247752 is an apocalyptic number.

133551247752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133551247752 is an abundant number, since it is smaller than the sum of its proper divisors (255973227588).

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

133551247752 is a wasteful number, since it uses less digits than its factorization.

133551247752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142682982 (or 142682975 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The spelling of 133551247752 in words is "one hundred thirty-three billion, five hundred fifty-one million, two hundred forty-seven thousand, seven hundred fifty-two".