133751122 has 4 divisors (see below), whose sum is σ = 200626686. Its totient is φ = 66875560.

The previous prime is 133751071. The next prime is 133751129. The reversal of 133751122 is 221157331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120362841 + 13388281 = 10971^2 + 3659^2 .

It is not an unprimeable number, because it can be changed into a prime (133751129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33437779 + ... + 33437782.

Almost surely, 2^133751122 is an apocalyptic number.

133751122 is a deficient number, since it is larger than the sum of its proper divisors (66875564).

133751122 is an equidigital number, since it uses as much as digits as its factorization.

133751122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66875563.

The product of its digits is 1260, while the sum is 25.

The square root of 133751122 is about 11565.0820144087. The cubic root of 133751122 is about 511.4059909018.

The spelling of 133751122 in words is "one hundred thirty-three million, seven hundred fifty-one thousand, one hundred twenty-two".