135451442 has 16 divisors (see below), whose sum is σ = 232414272. Its totient is φ = 57997680.

The previous prime is 135451417. The next prime is 135451447. The reversal of 135451442 is 244154531.

135451442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135451447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14192 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (14525892).

Almost surely, 2^135451442 is an apocalyptic number.

135451442 is a deficient number, since it is larger than the sum of its proper divisors (96962830).

135451442 is a wasteful number, since it uses less digits than its factorization.

135451442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833.

The product of its digits is 9600, while the sum is 29.

The square root of 135451442 is about 11638.3607952323. The cubic root of 135451442 is about 513.5639662845.

The spelling of 135451442 in words is "one hundred thirty-five million, four hundred fifty-one thousand, four hundred forty-two".