133732393 has 16 divisors (see below), whose sum is σ = 145512640. Its totient is φ = 122472000.

The previous prime is 133732381. The next prime is 133732439. The reversal of 133732393 is 393237331.

It is a cyclic number.

It is not a de Polignac number, because 133732393 - 2⁹ = 133731881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133732793) 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, 126718 + ... + 127768.

It is an arithmetic number, because the mean of its divisors is an integer number (9094540).

Almost surely, 2^133732393 is an apocalyptic number.

It is an amenable number.

133732393 is a deficient number, since it is larger than the sum of its proper divisors (11780247).

133732393 is a wasteful number, since it uses less digits than its factorization.

133732393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its digits is 30618, while the sum is 34.

The square root of 133732393 is about 11564.2722641764. The cubic root of 133732393 is about 511.3821192767.

The spelling of 133732393 in words is "one hundred thirty-three million, seven hundred thirty-two thousand, three hundred ninety-three".