134353978 has 32 divisors (see below), whose sum is σ = 232424640. Its totient is φ = 57605760.

The previous prime is 134353963. The next prime is 134353979. The reversal of 134353978 is 879353431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (134353979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121926 + ... + 123022.

It is an arithmetic number, because the mean of its divisors is an integer number (7263270).

Almost surely, 2^134353978 is an apocalyptic number.

134353978 is a deficient number, since it is larger than the sum of its proper divisors (98070662).

134353978 is a wasteful number, since it uses less digits than its factorization.

134353978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its digits is 272160, while the sum is 43.

The square root of 134353978 is about 11591.1163396801. The cubic root of 134353978 is about 512.1731922425.

The spelling of 134353978 in words is "one hundred thirty-four million, three hundred fifty-three thousand, nine hundred seventy-eight".