142055134 has 32 divisors (see below), whose sum is σ = 242676000. Its totient is φ = 61824384.

The previous prime is 142055131. The next prime is 142055143. The reversal of 142055134 is 431550241.

It is a happy number.

It is a super-2 number, since 2×142055134² = 40359322191515912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142055099 and 142055108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142055131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132352 + ... + 133420.

It is an arithmetic number, because the mean of its divisors is an integer number (7583625).

Almost surely, 2^142055134 is an apocalyptic number.

142055134 is a deficient number, since it is larger than the sum of its proper divisors (100620866).

142055134 is a wasteful number, since it uses less digits than its factorization.

142055134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 142055134 is about 11918.6884345552. The cubic root of 142055134 is about 521.7778569662. Note that the first 3 decimals are identical.

The spelling of 142055134 in words is "one hundred forty-two million, fifty-five thousand, one hundred thirty-four".