133250442 has 16 divisors (see below), whose sum is σ = 287001120. Its totient is φ = 41000112.

The previous prime is 133250423. The next prime is 133250473. The reversal of 133250442 is 244052331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854092 + ... + 854247.

It is an arithmetic number, because the mean of its divisors is an integer number (17937570).

Almost surely, 2^133250442 is an apocalyptic number.

133250442 is an abundant number, since it is smaller than the sum of its proper divisors (153750678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133250442 is a wasteful number, since it uses less digits than its factorization.

133250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708357.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 133250442 is about 11543.4155257445. The cubic root of 133250442 is about 510.7670656317.

The spelling of 133250442 in words is "one hundred thirty-three million, two hundred fifty thousand, four hundred forty-two".