133838543450 has 24 divisors (see below), whose sum is σ = 249011898528. Its totient is φ = 53519888880.

The previous prime is 133838543429. The next prime is 133838543497. The reversal of 133838543450 is 54345838331.

It is a junction number, because it is equal to n+sod(n) for n = 133838543395 and 133838543404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213332 + ... + 559631.

It is an arithmetic number, because the mean of its divisors is an integer number (10375495772).

Almost surely, 2^133838543450 is an apocalyptic number.

133838543450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133838543450 is a deficient number, since it is larger than the sum of its proper divisors (115173355078).

133838543450 is a wasteful number, since it uses less digits than its factorization.

133838543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776438 (or 776433 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 133838543450 in words is "one hundred thirty-three billion, eight hundred thirty-eight million, five hundred forty-three thousand, four hundred fifty".