142135707 has 8 divisors (see below), whose sum is σ = 216587776. Its totient is φ = 81220392.

The previous prime is 142135687. The next prime is 142135709. The reversal of 142135707 is 707531241.

142135707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142135707 - 2⁷ = 142135579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142135709) 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, 3384163 + ... + 3384204.

It is an arithmetic number, because the mean of its divisors is an integer number (27073472).

Almost surely, 2^142135707 is an apocalyptic number.

142135707 is a deficient number, since it is larger than the sum of its proper divisors (74452069).

142135707 is an equidigital number, since it uses as much as digits as its factorization.

142135707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768377.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 142135707 is about 11922.0680672440. The cubic root of 142135707 is about 521.8764882982.

Adding to 142135707 its reverse (707531241), we get a palindrome (849666948).

It can be divided in two parts, 1421 and 35707, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 142135707 in words is "one hundred forty-two million, one hundred thirty-five thousand, seven hundred seven".