133673533450 has 12 divisors (see below), whose sum is σ = 248632772310. Its totient is φ = 53469413360.

The previous prime is 133673533421. The next prime is 133673533471. The reversal of 133673533450 is 54335376331.

It can be written as a sum of positive squares in 3 ways, for example, as 101743774729 + 31929758721 = 318973^2 + 178689^2 .

It is a super-2 number, since 2×133673533450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133673533397 and 133673533406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1336735285 + ... + 1336735384.

Almost surely, 2^133673533450 is an apocalyptic number.

133673533450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133673533450 is a deficient number, since it is larger than the sum of its proper divisors (114959238860).

133673533450 is a wasteful number, since it uses less digits than its factorization.

133673533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673470681 (or 2673470676 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 43.

The spelling of 133673533450 in words is "one hundred thirty-three billion, six hundred seventy-three million, five hundred thirty-three thousand, four hundred fifty".