133925603 has 4 divisors (see below), whose sum is σ = 153057840. Its totient is φ = 114793368.

The previous prime is 133925599. The next prime is 133925621. The reversal of 133925603 is 306529331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306529331 = 61 ⋅5025071.

It is a cyclic number.

It is not a de Polignac number, because 133925603 - 2² = 133925599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133925603.

It is not an unprimeable number, because it can be changed into a prime (133925653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9566108 + ... + 9566121.

It is an arithmetic number, because the mean of its divisors is an integer number (38264460).

Almost surely, 2^133925603 is an apocalyptic number.

133925603 is a deficient number, since it is larger than the sum of its proper divisors (19132237).

133925603 is an equidigital number, since it uses as much as digits as its factorization.

133925603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132236.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 133925603 is about 11572.6229956739. The cubic root of 133925603 is about 511.6282740359.

The spelling of 133925603 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, six hundred three".