142133404 has 24 divisors (see below), whose sum is σ = 290880128. Its totient is φ = 59497200.

The previous prime is 142133401. The next prime is 142133423. The reversal of 142133404 is 404331241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142133401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57822 + ... + 60229.

Almost surely, 2^142133404 is an apocalyptic number.

142133404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142133404 is an abundant number, since it is smaller than the sum of its proper divisors (148746724).

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

142133404 is a wasteful number, since it uses less digits than its factorization.

142133404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118105 (or 118103 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142133404 is about 11921.9714812610. The cubic root of 142133404 is about 521.8736696585.

Adding to 142133404 its reverse (404331241), we get a palindrome (546464645).

The spelling of 142133404 in words is "one hundred forty-two million, one hundred thirty-three thousand, four hundred four".