134420242 has 8 divisors (see below), whose sum is σ = 219960432. Its totient is φ = 61100100.

The previous prime is 134420233. The next prime is 134420267. The reversal of 134420242 is 242024431.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 6110011 = 134420242 / (1 + 3 + 4 + 4 + 2 + 0 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3054984 + ... + 3055027.

It is an arithmetic number, because the mean of its divisors is an integer number (27495054).

Almost surely, 2^134420242 is an apocalyptic number.

134420242 is a deficient number, since it is larger than the sum of its proper divisors (85540190).

134420242 is a wasteful number, since it uses less digits than its factorization.

134420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110024.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 134420242 is about 11593.9743832734. The cubic root of 134420242 is about 512.2573804615.

Adding to 134420242 its reverse (242024431), we get a palindrome (376444673).

The spelling of 134420242 in words is "one hundred thirty-four million, four hundred twenty thousand, two hundred forty-two".