133927544 has 8 divisors (see below), whose sum is σ = 251114160. Its totient is φ = 66963768.

The previous prime is 133927543. The next prime is 133927567. The reversal of 133927544 is 445729331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 133927498 and 133927507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133927543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8370464 + ... + 8370479.

It is an arithmetic number, because the mean of its divisors is an integer number (31389270).

Almost surely, 2^133927544 is an apocalyptic number.

It is an amenable number.

133927544 is a deficient number, since it is larger than the sum of its proper divisors (117186616).

133927544 is a wasteful number, since it uses less digits than its factorization.

133927544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740949 (or 16740945 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 133927544 is about 11572.7068570840. The cubic root of 133927544 is about 511.6307457208.

The spelling of 133927544 in words is "one hundred thirty-three million, nine hundred twenty-seven thousand, five hundred forty-four".