133554953 has 16 divisors (see below), whose sum is σ = 154573440. Its totient is φ = 113031936.

The previous prime is 133554881. The next prime is 133554959. The reversal of 133554953 is 359455331.

It is a cyclic number.

It is not a de Polignac number, because 133554953 - 2⁸ = 133554697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133554959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308225 + ... + 308657.

It is an arithmetic number, because the mean of its divisors is an integer number (9660840).

Almost surely, 2^133554953 is an apocalyptic number.

It is an amenable number.

133554953 is a deficient number, since it is larger than the sum of its proper divisors (21018487).

133554953 is a wasteful number, since it uses less digits than its factorization.

133554953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its digits is 121500, while the sum is 38.

The square root of 133554953 is about 11556.5978125052. The cubic root of 133554953 is about 511.1558469857.

The spelling of 133554953 in words is "one hundred thirty-three million, five hundred fifty-four thousand, nine hundred fifty-three".