134142442 has 32 divisors (see below), whose sum is σ = 236339712. Its totient is φ = 55916784.

The previous prime is 134142439. The next prime is 134142457. The reversal of 134142442 is 244241431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76993 + ... + 78715.

It is an arithmetic number, because the mean of its divisors is an integer number (7385616).

Almost surely, 2^134142442 is an apocalyptic number.

134142442 is a deficient number, since it is larger than the sum of its proper divisors (102197270).

134142442 is a wasteful number, since it uses less digits than its factorization.

134142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 3072, while the sum is 25.

The square root of 134142442 is about 11581.9878259304. The cubic root of 134142442 is about 511.9042509957.

Adding to 134142442 its reverse (244241431), we get a palindrome (378383873).

The spelling of 134142442 in words is "one hundred thirty-four million, one hundred forty-two thousand, four hundred forty-two".