133561703 has 4 divisors (see below), whose sum is σ = 145703688. Its totient is φ = 121419720.

The previous prime is 133561699. The next prime is 133561763. The reversal of 133561703 is 307165331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307165331 = 11 ⋅27924121.

It is a cyclic number.

It is not a de Polignac number, because 133561703 - 2² = 133561699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133561763) 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, 6070976 + ... + 6070997.

It is an arithmetic number, because the mean of its divisors is an integer number (36425922).

Almost surely, 2^133561703 is an apocalyptic number.

133561703 is a deficient number, since it is larger than the sum of its proper divisors (12141985).

133561703 is a wasteful number, since it uses less digits than its factorization.

133561703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141984.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133561703 is about 11556.8898497823. The cubic root of 133561703 is about 511.1644582821.

The spelling of 133561703 in words is "one hundred thirty-three million, five hundred sixty-one thousand, seven hundred three".