133304042 has 32 divisors (see below), whose sum is σ = 210038400. Its totient is φ = 63403200.

The previous prime is 133304033. The next prime is 133304077. The reversal of 133304042 is 240403331.

It is a super-2 number, since 2×133304042² = 35539935227075528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894584 + ... + 894732.

It is an arithmetic number, because the mean of its divisors is an integer number (6563700).

Almost surely, 2^133304042 is an apocalyptic number.

133304042 is a deficient number, since it is larger than the sum of its proper divisors (76734358).

133304042 is a wasteful number, since it uses less digits than its factorization.

133304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133304042 is about 11545.7369621865. The cubic root of 133304042 is about 510.8355418142.

Adding to 133304042 its reverse (240403331), we get a palindrome (373707373).

It can be divided in two parts, 13 and 3304042, that multiplied together give a triangular number (42952546 = T₉₂₆₈).

The spelling of 133304042 in words is "one hundred thirty-three million, three hundred four thousand, forty-two".