133954550 has 12 divisors (see below), whose sum is σ = 249155556. Its totient is φ = 53581800.

The previous prime is 133954547. The next prime is 133954573. The reversal of 133954550 is 55459331.

It is a self number, because there is not a number n which added to its sum of digits gives 133954550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1339496 + ... + 1339595.

It is an arithmetic number, because the mean of its divisors is an integer number (20762963).

Almost surely, 2^133954550 is an apocalyptic number.

133954550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133954550 is a deficient number, since it is larger than the sum of its proper divisors (115201006).

133954550 is a wasteful number, since it uses less digits than its factorization.

133954550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679103 (or 2679098 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 133954550 is about 11573.8735953008. The cubic root of 133954550 is about 511.6651328998.

The spelling of 133954550 in words is "one hundred thirty-three million, nine hundred fifty-four thousand, five hundred fifty".