135412442 has 16 divisors (see below), whose sum is σ = 222113664. Its totient is φ = 61404000.

The previous prime is 135412439. The next prime is 135412447. The reversal of 135412442 is 244214531.

It is not an unprimeable number, because it can be changed into a prime (135412447) 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, 2342 + ... + 16622.

It is an arithmetic number, because the mean of its divisors is an integer number (13882104).

Almost surely, 2^135412442 is an apocalyptic number.

135412442 is a deficient number, since it is larger than the sum of its proper divisors (86701222).

135412442 is a wasteful number, since it uses less digits than its factorization.

135412442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14725.

The product of its digits is 3840, while the sum is 26.

The square root of 135412442 is about 11636.6851809267. The cubic root of 135412442 is about 513.5146720701.

Adding to 135412442 its reverse (244214531), we get a palindrome (379626973).

The spelling of 135412442 in words is "one hundred thirty-five million, four hundred twelve thousand, four hundred forty-two".