133730703 has 8 divisors (see below), whose sum is σ = 198119600. Its totient is φ = 89153784.

The previous prime is 133730689. The next prime is 133730711. The reversal of 133730703 is 307037331.

It is a de Polignac number, because none of the positive numbers 2^k-133730703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4952989 = 133730703 / (1 + 3 + 3 + 7 + 3 + 0 + 7 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133730743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476468 + ... + 2476521.

It is an arithmetic number, because the mean of its divisors is an integer number (24764950).

Almost surely, 2^133730703 is an apocalyptic number.

133730703 is a deficient number, since it is larger than the sum of its proper divisors (64388897).

133730703 is an equidigital number, since it uses as much as digits as its factorization.

133730703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952998 (or 4952992 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 27.

The square root of 133730703 is about 11564.1991940644. The cubic root of 133730703 is about 511.3799651255.

The spelling of 133730703 in words is "one hundred thirty-three million, seven hundred thirty thousand, seven hundred three".