133441142 has 24 divisors (see below), whose sum is σ = 216064200. Its totient is φ = 61637760.

The previous prime is 133441141. The next prime is 133441157. The reversal of 133441142 is 241144331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133441141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62834 + ... + 64922.

It is an arithmetic number, because the mean of its divisors is an integer number (9002675).

Almost surely, 2^133441142 is an apocalyptic number.

133441142 is a deficient number, since it is larger than the sum of its proper divisors (82623058).

133441142 is a wasteful number, since it uses less digits than its factorization.

133441142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2151 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 133441142 is about 11551.6726927316. The cubic root of 133441142 is about 511.0106091652.

Adding to 133441142 its reverse (241144331), we get a palindrome (374585473).

The spelling of 133441142 in words is "one hundred thirty-three million, four hundred forty-one thousand, one hundred forty-two".