142135030 has 16 divisors (see below), whose sum is σ = 256433760. Its totient is φ = 56722752.

The previous prime is 142135013. The next prime is 142135051. The reversal of 142135030 is 30531241.

It is a junction number, because it is equal to n+sod(n) for n = 142134989 and 142135007.

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, 11799 + ... + 20578.

It is an arithmetic number, because the mean of its divisors is an integer number (16027110).

Almost surely, 2^142135030 is an apocalyptic number.

142135030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142135030 is a deficient number, since it is larger than the sum of its proper divisors (114298730).

142135030 is a wasteful number, since it uses less digits than its factorization.

142135030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 142135030 is about 11922.0396744852. The cubic root of 142135030 is about 521.8756597216.

Adding to 142135030 its reverse (30531241), we get a palindrome (172666271).

The spelling of 142135030 in words is "one hundred forty-two million, one hundred thirty-five thousand, thirty".