133420754 has 4 divisors (see below), whose sum is σ = 200131134. Its totient is φ = 66710376.

The previous prime is 133420753. The next prime is 133420759. The reversal of 133420754 is 457024331.

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., 76825225 + 56595529 = 8765^2 + 7523^2 .

It is not an unprimeable number, because it can be changed into a prime (133420751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33355187 + ... + 33355190.

Almost surely, 2^133420754 is an apocalyptic number.

133420754 is a deficient number, since it is larger than the sum of its proper divisors (66710380).

133420754 is an equidigital number, since it uses as much as digits as its factorization.

133420754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66710379.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 133420754 is about 11550.7901894199. The cubic root of 133420754 is about 510.9845826719.

The spelling of 133420754 in words is "one hundred thirty-three million, four hundred twenty thousand, seven hundred fifty-four".