133874735 has 4 divisors (see below), whose sum is σ = 160649688. Its totient is φ = 107099784.

The previous prime is 133874731. The next prime is 133874737. The reversal of 133874735 is 537478331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 537478331 = 13 ⋅41344487.

It is a cyclic number.

It is not a de Polignac number, because 133874735 - 2² = 133874731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133874692 and 133874701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133874731) 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 in 3 ways as a sum of consecutive naturals, for example, 13387469 + ... + 13387478.

It is an arithmetic number, because the mean of its divisors is an integer number (40162422).

Almost surely, 2^133874735 is an apocalyptic number.

133874735 is a deficient number, since it is larger than the sum of its proper divisors (26774953).

133874735 is an equidigital number, since it uses as much as digits as its factorization.

133874735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26774952.

The product of its digits is 211680, while the sum is 41.

The square root of 133874735 is about 11570.4250138014. The cubic root of 133874735 is about 511.5634898020.

The spelling of 133874735 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, seven hundred thirty-five".