142135064 has 8 divisors (see below), whose sum is σ = 266503260. Its totient is φ = 71067528.

The previous prime is 142135057. The next prime is 142135087. The reversal of 142135064 is 460531241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8883434 + ... + 8883449.

Almost surely, 2^142135064 is an apocalyptic number.

It is an amenable number.

142135064 is a deficient number, since it is larger than the sum of its proper divisors (124368196).

142135064 is a wasteful number, since it uses less digits than its factorization.

142135064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17766889 (or 17766885 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 142135064 is about 11922.0411004156. The cubic root of 142135064 is about 521.8757013341.

The spelling of 142135064 in words is "one hundred forty-two million, one hundred thirty-five thousand, sixty-four".