142136030 has 16 divisors (see below), whose sum is σ = 256207104. Its totient is φ = 56773920.

The previous prime is 142136009. The next prime is 142136041. The reversal of 142136030 is 30631241.

It is a junction number, because it is equal to n+sod(n) for n = 142135993 and 142136011.

It is a congruent number.

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, 2366 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (16012944).

Almost surely, 2^142136030 is an apocalyptic number.

142136030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142136030 is a deficient number, since it is larger than the sum of its proper divisors (114071074).

142136030 is a wasteful number, since it uses less digits than its factorization.

142136030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20131.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 142136030 is about 11922.0816135438. The cubic root of 142136030 is about 521.8768836152.

Adding to 142136030 its reverse (30631241), we get a palindrome (172767271).

The spelling of 142136030 in words is "one hundred forty-two million, one hundred thirty-six thousand, thirty".